求before的各种用法 越详细越好

如题
希望能给出before的各种用法和例句
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before

adv
at an earlier time; in the past; already 以前; 过去; 已经:
You should have told me so before. 你早就应该告诉我.
* It had been fine the day/week before, ie the previous day/week. 前一天[一周]天气很好(以过去某时为准的前一天[一周]).
* That had happened long before, ie a long time earlier. 那事老早就发生了(比过去某时早得多)
. * I've seen that film before. 我以前看过那部影片. =>Usage at before2 用法见before2. Cf 参看 after1, afterwards.

prep

1 earlier than (sb/sth) 早於(某人[某事物]); 在(某人[某事物])以前: before lunch 午餐前 * the day before yesterday 前天
* two days before Christmas 圣诞节的前两天
* The year before last he won a gold medal, and the year before that he won the silver. 他前年赢得一枚金牌, 大前年赢得一枚银牌.
* She's lived there since before the war. 她从战前就一直住在那里.
* He arrived before me. 他在我之前到达.
* He taught English as his father had before him. 他教过英语, 他父亲以前也教过英语.
* Something ought to have been done before now. 早就该采取措施了. * We'll know before long, ie soon. 我们不久就会知道.
* Turn left just before (ie before you reach) the cinema. 在快要到电影院时向左拐. Cf 参看 after2 1.
2 (a) (with reference to position) in front of (sb/sth) (指位置)在(某人[某物])前面: We knelt before the throne. 我们在御座前跪下. * (fig 比喻) The task before us is not an easy one. 我们面临的任务可不轻. Cf 参看behind2
1. (b) (with reference to order or arrangement) in front of (sb/sth); ahead of (指顺序或排列)在(某人[某事物])之前; 先於(某人[某事物]): B comes before C in the alphabet. B在字母表里排在C之前. * Your name comes before mine on the list. 名单上你的名字在我之前. * ladies before gentlemen 女士优先於先生 * He puts his work before everything, ie regards it as more important than anything else. 他把工作放在第一位(看得比任何事都重要). Cf 参看 after2 3.
3 in the presence of (sb) 在(某人)面前: He was brought before the judge. 他被带到法官面前. * She said it before witnesses. 她是当著证人的面说的. * He made a statement before the House of Commons. 他在下议院当众发表了一个声明.
4 (fml 文) rather than (sth); in preference to 与其..., 不如...; 宁可: death before dishonour 宁死不受辱.
5 (fml 文) under pressure from (sb/sth) 被(某人[某事物])所迫: Our troops recoiled before the attack. 我部队迫於敌人的进攻而后撤. * They retreated before the enemy. 他们迫於敌方压力而退却. * The ship sailed before the wind, ie with the wind blowing from behind. 轮船顺风航行.

before
NOTE ON USAGE 用法:
1 In front of and behind are prepositions and opposite in meaning *in front of和behind均用作介词, 但意思相反. They indicate the relative position of people or things 这两个词语都指人或事物的相对位置 : Johnny is in front of me in the photo. 照片中约翰尼在我的前面. * The garage is behind the house. 车房在房子的后面. * The dog ran in front of the bus. 狗在公共汽车前面跑. * The mouse ran behind the cupboard. 老鼠在柜子后面跑.
2 In front and behind are also adverbs *in front和behind还可作副词: I'd like to sit in front. 我愿意坐在前面. * The taxi followed on behind. 计程车在后面跟著.
3 Before and after relate to time and can be *before和after可指时间, 可作
(a) adverbs 副词: the day after/before 次 日[前一日] * I had met him before. 我在那事之前就见过他. * I'll see you after. (Here afterwards is more common.) 我以后再见你. (此处用afterwards更普通.) (b) prepositions 介词: the day after/before my birthday 我生日的次日[前一日] * I'll see you after the meeting. 散会后我再见你.
(c) conjunctions 连词: We had dinner after/before they arrived. 他们到达之后[之前]我们吃的饭. 4 Before and after can suggest place, especially when this is closely associated with time or order in a sequence. *before和after亦可指地点, 尤其用於所指的地点是与时间或先后顺序有密切关系时. I was before/after you in the queue. 我排队排在你前面[后面]. * C comes before E in the alphabet. 在字母表里C排在E之前.

before
conj
1 earlier than the time when (指时间)在...以前: Do it before you forget. 趁早动手, 免得忘了. * It may be many years before we meet again. 大概要过许多年我们才能再见. * Before the week was out (ie had ended), they were dead. 那个星期还没过完他们就死了. * It will be a long time before we finish this dictionary. 我们需要很长的时间才能把这部词典编译完. Cf 参看 after3.
2 rather than 宁愿: I'd shoot myself before I apologized to him! 我宁死也不向他道歉!
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第1个回答  2009-08-12