against

against /əˈgɛnst/ preposition

against

/əˈgɛnst/

preposition

Learner's definition of AGAINST

a : in opposition to (someone or something)违反；反对；逆

Everyone was against them. [=everyone opposed them]所有人都反对他们。
We must continue the struggle for justice and against injustice.我们必须继续坚持正义，反对非正义。
She voted against the proposal.她投票反对这项提案。
You're either for/with me or against me! [=you either support me or oppose me]你要么支持我，要么反对我。
He spoke against appeasing the enemy.他发言反对向敌人做出让步。
The U.S. fought against Germany in World Wars I and II. = The U.S. and Germany fought against each other in World Wars I and II.第一次和第二次世界大战期间，美国与德国作战。
Some people were for the proposal but others were against it.有人支持这个议案，但也有人反对。
There's a law against doing that.法律禁止这样做。
His parents were angry when they learned he had borrowed the car against their wishes. [=he borrowed the car even though they did not want him to]他的父母得知他违背他们的意愿借了那辆车之后非常生气。
Against my advice, she quit her job. [=she quit her job even though I advised her not to]她不听我的劝告，辞掉了工作。
He was being held against his will. [=he was being kept in a place by force even though he wanted to leave]他被强行监禁起来。

b : in competition with (someone or something)与…竞争

— used to indicate the person or thing that is affected or harmed by something受…影响；受…伤害

: not agreeing with or allowed by (something, such as a law)违反

You can't do that. It's against the law. [=the law does not allow it]你不能那样做。那是违法的。
Touching the ball with your hands is against the rules.用手触球是犯规动作。
I won't do it. It's against my principles. [=my principles don't allow it; I believe that it is wrong]我不会做这事。这违背了我的准则。
They were acting against tradition. [=acting in a way that did not agree with tradition]他们在以有违传统的方式行事。

a : not helping or favoring (someone)对（某人）不利

Everything was/went against them. [=everything that happened was unfavorable to them]情况对他们不利。
Her appearance is/counts against her. [=her appearance does not help her; people form a bad opinion of her because of her appearance]她的容貌不讨人喜欢。

b : as a reason for disliking (someone or something)对…有成见

I have nothing against him. [=I don't dislike him; I have no reason for disliking him]我对他没有任何成见。
We disagree about many things, but I don't hold it/that against you. [=I don't dislike you because of it/that]我们在很多事情上有分歧，但我不会因此讨厌你。

— used to say that one thing is being compared with another同比；和…对比

Profits are up this year against last year. [=profits are higher this year than they were last year]同比去年，今年的利润有所增长。
The yen rose/fell against the dollar.日元对美元升值/贬值。
a graph that plots height against weight身高体重对照图
We will weigh/balance the risk against the possible benefit. [=we will compare the risk with the possible benefit]我们会权衡风险与可能得到的收益。

a : as a defense or protection from (something)抵御；预防；以防

He built a crude hut as a shelter against [=from] the cold.他搭建了一个简陋的小屋，用来抵御严寒。
injections against flu流感预防注射剂

b : in preparation for (something)为…做准备；防备

— used to describe hitting or touching something or someone触；碰；倚

: in a direction opposite to the movement of (something)逆向；与…相反方向

: with the background of (something)在…的衬托下；以…为背景

The tree looked beautiful when viewed against the dark sky.那棵树在黑暗的天空的映衬下显得很美。
Her colorful coat stood out against the dull colors of the room.她鲜艳的外套在这个颜色晦暗的房间里格外显眼。

: as a charge on (something)作为（某物的）应付款项

The purchase was charged against [=to] her account. [=the amount of money needed for the purchase was added to the amount owed in her account]这笔购物款记在了她的账上。

as against

— see ²as

— see ²over

— see ²up