must

10 ENTRIES FOUND:

¹ must /ˈmʌst/ verb

¹ must

/ˈmʌst/

verb

Learner's definition of MUST

[modal verb]

a somewhat formal in US English — used to say that something is required or necessary必须；不得不

You must stop. [=you have to stop; I command you to stop]你必须停下来。
I told him what he must do. [=what he had to do]我告诉过他必须做哪些事。
One must eat to live.人一定要吃东西才能活。
You must follow the rules.你必须遵守这些规则。
We must [=have to, need to] correct these problems soon or the project will fail.我们必须马上纠正这些问题，不然计划会失败。
I must remember to stop at the store.我一定要记住在那家商店停一下。
“Must you go?” [=do you have to go?] “Yes, I'm afraid I really must.”“你非得走吗？”“是，恐怕我真的得走了。”
“Must you go?” “No, I don't have to.”“你非得走吗？”“不，我不是非走不可。”
If you must go, at least wait until the storm is over.如果你必须走的话，那也至少等到暴风雨过去再走。
It must be noted, however, that the company was already in financial difficulties.然而，必须指出，公司已经出现财政困难。
We must keep/bear in mind that she didn't have any previous experience. = It must be borne in mind that she didn't have any previous experience.我们必须记住，她之前没有任何经验。

◊ Note the difference in meaning between must not and not have to.注意must not和not have to意思上的区别。

You must not do it. [=it is necessary that you do not do it; I command you not to do it]你决不能做。
You don't have to do it. [=it is not necessary for you to do it]你不一定要做。

b — used to say that something is required by a rule or law（按规则或法律）必须，务必

All passengers must exit at the next stop.所有乘客必须在下一站下车。
Students must have completed Sociology 101 before they can take Sociology 102.学生修“社会学102”这门课程前必须修完“社会学101”。

somewhat formal in US English — used to say that someone should do something应该（做某事）

You must [=ought to, should, have to] read this book. It's fantastic!你应该看这本书，太好看了！
You must come visit us soon. [=we would like to have you come visit us soon]你应该快些来看我们。
You really must see the doctor about that cough. [=I urge you to see the doctor; I really think you need to see the doctor]你确实应该找医生看看咳嗽了。

— used to say that something is very likely很可能，肯定

It must be almost dinner time.一定快到晚餐时间了。
She must think I'm a fool.她肯定认为我是傻瓜。
It must have been the coffee that kept me awake.肯定是喝了咖啡让我一直很清醒。
He must have been the most gifted student at the school. [=I think he was the most gifted student]他一定是全校最有天赋的学生。
He must have a lot of money to live the way he does.他肯定很有钱，才可以过那样的生活。
The bus must be coming soon.公共汽车肯定马上就来了。
You haven't eaten all day. You must be hungry.你整天都没吃东西，一定饿了吧。
You're going to wear that? You must be joking!你打算穿那件？肯定是开玩笑吧！
You must have been very worried.你肯定很担心了吧。
You must be thrilled about the new baby.有了小宝宝，你肯定很兴奋吧。
If he really was there, I must have seen him, but I don't remember seeing him.要是他真的在那儿，我肯定看到他了，但是我不记得见过他。
There must be some mistake.一定是出错了。

— used in various phrases to emphasize a statement用于各种短语，表强调

somewhat formal in US English — used in questions that express annoyance or anger干嘛非得要，总是要（用于疑问句，表示气恼或愤怒）

Must you be so unreasonable? [=do you have to be so unreasonable?]你非得这么不讲道理吗？
Why must it always rain on the weekend? [=why does it always have to rain on the weekend?]为什么周末老是下雨？

if you must

— used to say that you will allow someone to do something even though you do not approve of it（表示虽不赞成但可允许）如果你非做…不可

— see ¹know

² must /ˈmʌst/ noun

plural musts

² must

/ˈmʌst/

noun

plural musts

Learner's definition of MUST

[count]

: something that is or seems to be required or necessary必备品；必须做的事情— usually singular通常用单数

If you're going to hike this trail, sturdy shoes are a must.要是你打算徒步走这条路，结实的鞋子是必备的。
Regular exercise is a must [=is very important; is strongly recommended] as you grow older.年纪大了，经常锻炼很必要。