knows; knew /ˈnuː/; Brit /ˈnjuː/ ; known /ˈnoʊn/ ; knowing knows; knew /ˈnuː/; Brit /ˈnjuː/ ; known /ˈnoʊn/ ; knowing Learner's definition of KNOW
not used in progressive tenses
1
a : to have (information of some kind) in your mind知道;了解 [+ object]
-
He knows a lot about the history of the town.他很了解镇子的历史。
-
Do you know the answer?你知道答案吗?
-
I don't know her name.我不知道她的名字。
-
Do you know what time it is?你知道现在几点吗?
-
I don't know the words to that song.我不知道那首歌的歌词。
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They knew a good deal about the problem.他们很了解那个问题。
-
She knows the rules of the game.她知道游戏规则。
-
He knows everything about horses. = He knows all/everything there is to know about horses.他对马了如指掌。
—
often + how, why, where, etc. -
Do you know why she left this suitcase here?你知不知道她为什么把这个手提箱放这儿?
-
Do you know where she went?你知道她去哪儿了吗?
-
No one knows (for sure) how long it will take the fix the problem.没人(确切)知道解决这个问题要花多长时间。
-
He knows perfectly/full well how to do it.他绝对/十分清楚怎么做。
[no object]
-
If you want the answer, ask someone who knows.如果你想知道答案,就去问知情人。
-
“What is she doing?” “Believe me, you don't want to know.” [=you would be shocked or upset to learn what she is doing]“她在干什么?”“相信我,你还是不知道为好。”
—
often + about b : to understand (something) : to have a clear and complete idea of (something)懂得:清楚;了解 [+ object]
—
usually + how, why, where, etc. -
Scientists don't yet know why this happens.科学家尚不清楚这种现象为什么会发生。
-
I don't know what to do.我不清楚要做什么。
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I don't know what you want me to do.我不清楚你想要我做什么。
-
We had almost no money in those days. I don't know how we managed.那些日子我们几乎没什么钱,我都不明白我们是怎么熬过来的。
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I don't know how you could be so careless.我不明白你怎么能这么粗心。
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You know perfectly/full well what I am trying to say.你绝对/十分清楚我要说什么。
[no object]
c [+ object] : to have learned (something, such as a skill or a language)掌握(技能、语言等) —
often + how -
Do you know how to type?你会打字吗?
-
I would go swimming with you, but I don't know how (to swim). [=I never learned to swim]我愿意跟你去游泳,可我不会游。
2
: to be aware of (something) : to realize (something)意识到;认识到 [+ object]
-
She knows that many people will not believe her.她发现很多人不愿相信她。
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I know (that) this isn't easy for you, but you have to keep trying.我知道这对你来说不容易,但你必须坚持去尝试。
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As soon as I turned on the light I knew that something was missing.我一打开灯就意识到有东西不见了。
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There was no way for me to know that he was your brother. = How was I to know that he was your brother?我不可能知道他是你兄弟。
-
It's wrong and you know it! [=you are aware that it is wrong]你知道这是错的!
-
“I'm sorry I threw out those bags.” “It's okay: you couldn't have known that I needed them.” = “It's okay: you had no way of knowing that I needed them.” = (Brit) “It's okay: you weren't to know that I needed them.”“抱歉我把那些袋子扔了。”“没关系。你不可能知道我需要它们。”
-
You ought to know by now that she is always late.现在你应该知道她总是迟到了吧。
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It's impossible to know what will happen next. = There's no way of knowing what will happen next. = There's no knowing what will happen next.不可能知道接下来会发生什么事。
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If you've never been to Venice, you don't know what you're missing. [=you would enjoy going to Venice very much]如果你从未去过威尼斯,你都不知道你错过了什么。
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You know as well as I do that they expect us at 8:00.你我都知道他们让我们8点到。
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You don't know how happy I am to see you. [=I am extremely happy to see you]你不知道见到你我有多高兴。
-
You'll never know what this means to me. = You can't know how much this means to me. [=this means a great deal to me]你不会知道这对我有多重要。
[no object]
-
As far as I know, they plan to arrive on Monday. [=I believe that they plan to arrive on Monday, but I am not sure]据我所知,他们计划星期一到。
-
We're planning a party for George. As you know, he'll be leaving the company next month.我们在为乔治筹划一个派对。你知道,他下个月就要离开公司了。
—
often + about or of -
I knew about the problem. [=I was aware of the problem]我知道有这么个问题。
-
Does she know about the meeting?她知道开会的事吗?
-
I don't know of any job openings right now. [=I am not aware of any job openings right now]我不知道眼下有什么职位空缺。
-
I know of her as a poet but not as a novelist. [=I am familiar with her poetry but not with her novels]我知道她是个诗人,但不知道她是小说家。
-
Do you know of a good lawyer? [=can you recommend a good lawyer?]你能推荐一位好律师吗?
-
“Does he have relatives nearby?” “Not that I know of.” [=I don't think he has any relatives nearby]“他在附近有没有亲戚?”“据我所知没有。”
3
: to be certain of (something)确信;确定 [+ object]
-
Everyone else believes him, but I just know (that) he's lying.每个人都相信他,但我确定他在撒谎。
-
I don't know if I can trust her. [=I am not sure that I can trust her]我不确定是否可以相信她。
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It's hard to know exactly where the candidate stands on this issue.很难确切知道这位候选人在此问题上的立场。
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I knew he'd forget.我就知道他会忘记。
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I need to know if they are coming.我需要确定他们来不来。
-
“She says she's not coming.” “I knew it!” [=I was sure that she wouldn't come]她说她不来了。”“我就知道!”
-
I knew it all along. [=I was always sure of it]我一向都确信这点。
[no object]
-
“They're coming.” “Do you know [=are you certain], or are you just guessing?” = “Do you know for sure/certain, or are you just guessing?”“他们要来。”“你确定呢还是猜的?”
-
He thinks he got the job but he doesn't know for sure.他觉得他得到了那份工作,但他不确定。
4 [+ object]
a : to have met and talked to (someone) : to be acquainted or familiar with (a person)见过;认识;熟悉 -
“Do you know Clara?” “Yes, we've met.”“你认识克拉拉吗?”“认识,我们见过。”
-
“Do you know Clara?” “We've met but I wouldn't say that I really know her.” [=I am not close to her; I don't know much about her]“你认识克拉拉吗?”“我们见过,但说不上很熟。”
-
I've known him for years. He's one of my best friends.我认识他很多年了,他是我最好的朋友之一。
-
Knowing you, you'll be the first one there. [=because I know you so well, I expect you to be the first one there]我了解你,你会在那里拿第一。
-
She's the kindest person I know.她是我认识的最善良的人。
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To know him is to love him. [=the people who know him feel great affection for him]认识他就会喜欢他。
-
We just bought a house here last month, and we're still getting to know our neighbors. [=we're still meeting our neighbors; we're still becoming acquainted with our neighbors]我们上个月在这里刚买了房,现在还在结识邻居。
b : to have experience with (something) : to be acquainted or familiar with (something)了解;熟悉 -
She knows the city very well.她很熟悉这座城市。
-
Do you know her painting/writing/work?你了解她的绘画/作品/工作吗?
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Do you know any good restaurants in this area?你知道这一带有什么好的餐馆吗?
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We're still getting to know the neighborhood.我们还在慢慢熟悉这一社区。
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The building as we know it [=as it exists now] is quite different from how it looked when it was first built.我们所熟悉的这栋建筑和它刚建成时的样子大不相同了。
-
This is the end of the organization as we know it. [=the organization has changed and will never again be the same as it was]这已经不再是我们所了解的那个组织了。
c : to have experienced (something)经历;体验 —
usually used as known通常用作known 5 [+ object]
a : to recognize (someone or something) : to identify (someone or something) accurately辨认出;认出 -
“How will I know her?” “She'll be wearing a red sweater.”“我怎么辨认出她?”“她会穿一件红色的毛衣。”
-
I would know [=recognize] that voice anywhere.我到哪里都听得出那个声音。
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I know his face [=his face is familiar to me] but I don't remember his name.我知道他的长相,但不记得他的名字了。
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I feel like I know this house, but I've never been here before.我觉得我好像见过这栋房子,但我从没来过这里。
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I know many of the customers at the café by sight. [=I see them often enough that I recognize them]这家咖啡店的很多顾客我都认得出来。
b : to recognize the difference between two things : to be able to distinguish (one thing) from another能区分;能分辨 6 [+ object]
a : to be sure that (someone or something) has a particular quality, character, etc., because of your experiences with that person or thing知道,了解(某人或某事物的特点) —
usually followed by to + verb通常接动词不定式 -
I've worked with him for many years, and I know him to be an honest man.我与他共事多年,知道他是个诚实的人。
-
I know the business to be legitimate.我知道这桩生意是合法的。
b : to think of (someone or something) as having a particular quality, character, etc.认为…具有某特点 —
+ as —
often used as (be) known as常用作(be) known as c —
used to indicate the name that people know or use for someone or something知道(某人或某事物的)名字 —
+ as —
often used as (be) known as常用作(be) known as -
Samuel L. Clemens was better/otherwise known as Mark Twain. [=most people called him Mark Twain]萨缪尔·L.克莱门斯更多是以马克·吐温的名字为人知晓。
-
Beethoven's Third Symphony is widely known as the “Eroica.”贝多芬的第三交响曲以《英雄交响曲》的名字广为人知。
d —
used to say that someone or something has a particular quality, feature, ability, etc., that people know about知道…具有某特点 —
+ for —
usually used as (be) known for通常用作(be) known for -
The restaurant is known for its desserts. [=the restaurant's desserts are popular, well-known, etc.]这家餐馆因其制作的甜点而出名。
-
She is known for her ability to work quickly. = She is known for working quickly.她因干活麻利而出名。
-
He's known for being late. [=he is often late]大家都知道他爱迟到。
e ◊ Someone who has been known to be or known to do something has been or done that thing in the past.知道某人过去的情况
-
We've known him to work all night to meet a deadline. = He's been known to work all night to meet a deadline.我们知道他为赶上最后期限通宵工作。
-
I've never known her to be wrong. [=I do not know of any time when she has been wrong]我就没见她出过错。
-
He's been known to do this kind of thing before.大家知道他以前干过这种事。
before you know it
: very quickly or soon很快地
better the devil you know than the devil you don't
— see devil
don't I know it
informal
—
used to say that you agree with what has just been said我难道还不知道;我当然知道;我何尝不知道
for all I know
informal
—
used to say that you have little or no knowledge of something说不定;不知道 -
For all I know, he left last night. [=I don't know when he left; it's possible that he left last night]说不定他昨晚就走了。
-
She may have already accepted another job, for all we know. [=we don't know what she has done; it's possible that she has already accepted another job]我们不清楚,也许她已经接受了另一份工作。
God knows
informal or goodness knows or heaven knows or Lord knows 1
—
used to stress that something is not known谁知道,天晓得(用于强调不知道) 2
—
used to make a statement more forceful老天有眼,老天做证(用于加强语气) -
He finally got a raise. Goodness knows he deserved one. [=he certainly deserved one]他终于加薪了。老天爷都知道他确实该加薪。
-
She didn't win, but Lord knows she tried.她没有赢,但老天做证她确实努力了。
have known better days
— see 1better
I don't know
1
—
used to say that you do not have the information someone is asking for我不知道 2
informal —
used to express disagreement, doubt, or uncertainty不会吧,我不确定(表示不同意、有疑问或不确定) -
“I don't like that guy.” “Oh, I don't know, he's not really so bad.”“我不喜欢那个人”“噢,不会吧,他实际上没那么坏吧。”
-
“Which one is your favorite?” “Um, I don't know, maybe the red one.”“你最喜欢的是哪个?”“呃,我不确定,也许是红色的那个吧。”
-
She thinks we should go now, but I don't know. [=I'm not sure] Maybe we should wait.她觉得我们现在就该走了,而我拿不准。也许我们该等等。
3
—
used to say that you are uncertain about someone or something表对某人或某事不确定 -
I don't know about you [=you may think or feel differently than I do about this], but I'm leaving.我不知道你怎么想,但我要走了。
-
“She said she'd be here by 5:00.” “I don't know about that.” [=I'm not sure that will happen]“她说她5点会到这儿。”“这个我可说不准。”
-
I don't know about him —he's hard to figure out.我不清楚他是个什么样的人——他让人搞不懂。
if you must know
—
used when you are answering a question that you do not want to answer because the information is personal, embarrassing, etc.如果你非要知道(用于不情愿地回答私人的或尴尬的问题) -
“How much did you pay for your car?” “Well, if you must know, it cost about $20,000.”“你买车花了多少钱?”“这个,如果你非要知道,花了大约2万美元。”
-
“Why did you leave that job?” “If you must know, I was fired.”“你为何不做那份工啦?”“如果你非要知道,我被解雇了。”
I'll have you know
— see have
I know (it)
1
—
used to express agreement表赞同 -
“Hurry up, we're going to be late.” “I know, but I can't find my shoe.”“快点儿,我们要迟到了。”“知道,但我找不到鞋了。”
-
“This place is such a mess.” “I know it.” [=I agree]“"I know it."[=l agree]“这地方太乱了。”“我同意。”
-
“I can't believe he lied.” “I know, I know.”“我无法相信他说了谎。”“我也是。”
-
“The whole situation is just so stupid.” “I know.”“整个情况真是太恼人了。”“是啊。”
2
—
used to introduce a suggestion表建议
I wouldn't know
—
used to say that you have not experienced something我可不清楚(表示对某事物没有体会)
know best
or know what's best
: to know or understand better than someone else what should be done更清楚该怎么做 -
I would take the highway myself, but you live here so you know best.我会走公路。不过你住在这里,你最清楚该怎么走。
-
I'll do whatever you say. You know what's best.你怎么说我就怎么做,你最清楚该怎么做。
know better
1
: to be smart or sensible enough not to do something有头脑,明事理(而不至于…) -
You walked home alone? Don't you know better (than that)?你独自走回家的?难道你没脑子吗?
-
She'll know better than to trust them again. [=she will not trust them again]她不会再相信他们了。
-
There's no excuse for his behavior. He's old enough to know better.他的行为不可原谅。他这么大,应该懂事了。
-
Don't blame him. He's just a child and he doesn't know (any) better. [=he is too young, inexperienced, etc., to be expected to behave properly]别责怪他,他还是个孩子,不懂事。
2
: to know or understand the truth about something了解(或知道)真相 3
: to know or understand more than other people比别人都明白(或了解)
know different/otherwise
: to know that something that people think or say is true is not really true知道不是那么回事
know from
[phrasal verb] know from (someone or something) US, informal
: to know anything about or care at all about (someone or something)熟知;感兴趣—
used in negative statements用于否定句
know (something) backward and forward
or British know (something) backwards or know (something) inside out or US know (something) inside and out or know (something) like the back of your hand
: to know something completely完全了解;熟知;了如指掌 -
He knew the process backward and forward.他对这个程序完全了解。
-
She knows the business inside and out.她熟知这家公司的情况。
-
I know this town like the back of my hand.我对这个小镇了如指掌。
know (something or someone) for what it/he/she is
: to understand what something or someone truly is了解真相 -
Now I know them for what they are—liars.现在我知道他们是什么人了——一群骗子。
-
before scientists knew the disease for what it is—a virus在科学家认识到这种疾病是病毒引起的之前
-
the friends who know me for what I am [=who truly know and understand me]真正了解我的朋友
know (something) when you see it/one
: to be able to recognize or identify something immediately一眼就能看出来 -
She knows a bargain when she sees it.便宜货她一眼就能看出来。
-
I know a liar when I see one.骗子我一眼就能看出来。
-
I'm not sure what I want but I'll know it when I see it.我不确定我想要什么,但看到了我就会知道。
know what hit you
—
used in negative statements to say that something you did not expect surprised you very much用于否定句,表示未料到的事令人吃惊 -
I didn't know what hit me—suddenly I just felt so dizzy.不知道怎么搞的,我突然感到头晕得厉害。
-
The company came out with an entirely new line of products last year, and their competitors never knew what hit them. [=their competitors were not prepared and were completely surprised]去年这家公司推出一款全新产品,令竞争对手猝不及防。
know what it is
or to know what it's like
: to have experience with a situation, activity, or condition对…有体会
know what you are talking about
◊ If you know what you are talking about, you deserve to be listened to because you have actual knowledge or experience with something and what you are saying is correct.说话在行(所以值得听)
know which side your bread is buttered on
— see 1bread
know your own heart/mind
: to be sure of what you want, like, think, etc.清楚自己想要的(或喜欢的)
know yourself
: to understand yourself fully : to understand your own emotions, desires, abilities, etc.完全了解自己
know your way around
◊ If you know your way around a place or thing, you are very familiar with it or are good at using or operating it.熟悉;擅长
-
He knows his way around Boston.他对波士顿很熟悉。
-
She really knows her way around a sailboat. [=she knows how to sail; she is a very good sailor]她确实擅长驾驶帆船。
-
They know their way around computers.他们对电脑很在行。
let (someone) know
: to tell something to someone让(某人)知道 -
Let me know [=tell me] if you're going to the party.你要是准备参加聚会,请告诉我一下。
-
Please let me know if there's anything I can do to help. [=I would like to help; please tell me if you need help]如果我能帮上什么忙的话,请告诉我。
-
He's not sure what time he'll arrive—he is going to let us know.他不确定他几点到到时他会告诉我们。
-
She let the staff know her decision. [=she told the staff her decision]她把自己的决定告知了全体员工。
let (something) be known
formal or make (something) known
: to tell people something使(某事)众所周知;宣布
make yourself known
formal
: to introduce yourself : to cause people to know who you are自我介绍;使大家认识自己
might/should have known
—
used to say that you are not surprised to learn of something早就知道,本来就想到(表示对某事并不感到吃惊)
not know someone from Adam
informal
: to have never met with someone : to not know someone at all从没见过某人;根本不认识某人
not know the first thing about
: to have little or no knowledge about (something or someone)对…知之甚少;对…一无所知
not know the meaning of (the word)
— see meaning
not know your ass from your elbow
(chiefly US) informal + impolite or British not know your arse from your elbow
: to know nothing : to be stupid愚蠢之极;屁都不懂
what do you know
informal 1
—
used to express surprise真想不到(表惊讶) -
She's an astronaut? Well, what do you know!她是航天员?啊,真想不到呀!
-
“He's going to law school in the fall.” “Well what do you know about that?” [=I am surprised that he is going to law school]“今年秋天他要上法学院了。”“啊,真想不到!”
2
—
used to say that someone is wrong about something你知道什么(表示某人在某事上错了)
wouldn't you know (it)?
informal
—
used to say that something annoying that has happened is the kind of thing that often happens你还能不知道,难道你不知道(表示常发生的烦人事情又发生了)
you know
informal 1
—
used when you are trying to help someone remember something你想想看(用于提示某人) -
They live on the other side of town. You know—near the golf course.他们住在城区的另一边。你想想看——靠近高尔夫球场。
-
He was in our history class—you know [=you remember]—the tall blond guy in the front row.他原来在我们上历史课的班上,你想一下,坐第一排的那个高个子金发男孩。
2
—
used for emphasis你知道,你要知道(用于强调) -
You know, we really have to go.你要知道,我们真的该走了。
-
It's cold outside, you know.现在外面好冷,你要知道。
-
You know, you really should write a novel.你知道,你真的该写一部小说。
3
—
used when you are not sure of what to say or how to say it呃(表迟疑) -
Would you like to, you know, go out sometime?你想不想,呃,什么时候出去转转?
-
We're planning to go shopping and, you know, just hang out.我们打算去逛街,呃,就是随便逛逛。
you know something/what?
informal 1
—
used to emphasize the statement that comes after it你知道吗(用于强调要说的话) -
You know something? I never trusted her.你知道吗?我从未相信过她。
-
She lied to me again, but you know what? I really just don't care any more.她又跟我撒谎了。但是你知道吗?我真的一点也不在乎了。
2
—
used to get someone's attention你知道吗(用于引起某人注意)
you know what I mean
informal
—
used to suggest that the hearer agrees with and understands what has been said or to ask if he or she does or not你懂我的意思吧,你明白吧(表示认为对方理解并赞同自己所说的话,或用于征求对方意见) -
I grew up there, you know what I mean, so I know what it's like.我在那里长大,你知道我的意思,所以我知道是怎么回事。
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He's kind of strange. Do you know what I mean?他有点怪。你懂我的意思吧?
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He's kind of strange, if you know what I mean.他有点怪,如果你明白我的意思的话。
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sometimes used in the shortened form know what I mean有时用于简化形式know what I mean
you know what they say
informal
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used to introduce a common saying or a statement that expresses a common belief人们常说 -
Keep trying, and you'll figure it out. You know what they say: if at first you don't succeed, try, try again.继续努力,你会弄明白的。人们常说:如果最初不成功,那就努力,再努力。
you never know
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used to say that it is impossible to be sure about what will happen很难说;难以预料 -
You never know—you might win the lottery.这很难说——你也许会中彩票呢。
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You never know who will show up.你根本不知道谁会到场。
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You never know with her parties: anyone could show up.她的聚会可说不准:谁都有可能露面。
2 know /ˈnoʊ/ noun
Learner's definition of KNOW
in the know
: having knowledge about something : having information that most people do not have了解内幕的;知道内情的 -
people who are in the know了解内幕的人
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For those of you not in the know, Jane is the person who founded this organization.对于你们当中不知内情的人来说,简是这个组织的创建者。