before

[bi'fɔ:]

conj.在 ... 以前
pref.在 ... 以前, 在..前面
adv.以前, 以往, 之前

prep.

1. 在……以前

Only two days remained before the examination.

考前只剩下两天了。

2. (指顺序、重要性等)在……之前, 先于

Your name comes before mine.

你的名字在我之前。

Pride comes before a fall.

骄必败。

3. 由……考虑中

We will put the matter before the committee.

我将把此事提交委员会考虑。

4. 在……前面; 在……面前

She said she had never spoken before an audience.

她说她从未在大庭广众讲演过。

ad.

1. 较早

Come at two o'clock, not before.

两点钟来, 不必再早了。

2. 以前; 曾经

He was never late before.

过去他从不迟到。

Have you two met before?

你们两人以前见过面吗?

3. 在前; 向前

Several soldiers went before to scout.

数名士兵在前面探路。

conj.

1. 在……以前

Check it carefully before you hand it in.

交来之前仔细核对一下。

2. 与其……宁可

I'd die before I'd tell.

我宁死也决不会说出来。

3. 否则, 要不然

Get out before I call the police.

滚开, 否则我叫警察。

词形变化

动词过去式: befooled | 动词过去分词: befooled | 动词现在分词: befooling | 动词第三人称单数: befools |

词义辨析

同义:

ad.在前; 向前

earlier  prior  previously  formerly  in advance  

同义参见:

first  ahead  anterior  

反义:

prep.在……以前; 先于

behind  after  

英英释义

副词 before:

earlier in time; previously

同义词：earlier

at or in the front

同义词：ahead, in front

补充

beforebefore英:[biˈfɔ:] 美:[bɪˈfɔr, -ˈfor]prep.1.(表示位置)在…前面The man standing before the blackboard is our English teacher.站在黑板前面的那个人是我们的英语老师。2.(表示时间)先于, 在…以前We got up before sunrise.我们在太阳升起之前起床。3.(表示比较)优于, 先于You must pay attention to this problem before every thing.你应该首先注意这个问题。4.(表示顺序)在…之前My name comes before his on the list.在名单上我的名字排在他的名字前面。5.(表示目的)供…研究, 由…审判The criminal case comes before the court.那桩刑事案件已送法院审理。conj.1.在…之前It will be some time before we know the full results.还要过一些时间我们才能知道全部结果。adv.1.先前; 从前; 以前We saw that film before.那部电影我们以前看过。It came across my mind that I had met him somewhere before.我突然意识到我曾在什么地方见过他。

例句

1. Ring me before Tuesday.星期二之前给我打电话。 2. before opening the packet, read the instructions.打开包装盒之前请先阅读使用说明。 3. two kilometres before the roundabout在环岛前2公里 4. She placed a plate of food before him.她在他面前放了一盘食物。 5. She was brought before a judge.她被带去接受法官的询问。 6. The opening ceremony took place before a crowd of seventy-four thousand.开幕式在74,000名观众的注视下开始了。 7. The weeks stretched out before him.等待他的是数周漫长的时间。 8. Choose death before dishonour.士可杀, 不可辱。 9. I'll phone before I leave.我会在走之前打电话的。 10. before I could say anything, he'd left the room.没等我说话, 他已经离开了房间。 11. It was some time before he picked up the phone.过了一会儿他才接电话。 12. You'll have to pass your exams before you become a doctor.要成为一名医生, 你必须先通过考试。 13. He will resign before he agrees to this.他宁可辞职也不同意此事。 14. I've seen this film before.我以前看过这部电影。 15. I've never been here before.我从没来过这里。 16. Phone (或Call)me before noon.午前给我打电话。 17. She got there before us.她比我们先到了那里。 18. He paused before the door.他在门前停顿了一下。 19. He stood before the window.他站在窗前。 20. We've always put quality before quantity.我们总是认为质量比数量重要。 21. I think that age is before beauty.我认为青春重于美貌。 22. The hardest task was before us.最艰巨的任务摆在我们面前。 23. A thought flashed before her mind.她的脑海里闪过一个念头。 24. He stood before his accuser.他站在起诉者面前。 25. The bright future is before us.光明的未来就在我们前面。 26. the matter before the committee提交委员会考虑决定的问题 27. The defendant was summoned before a magistrate.被告被传唤出庭(听候地方法官判决)。 28. to choose death before dishonour宁死不屈 29. That's a crime before God and humanity.对上帝和人类来说，那都是犯罪的行为。 30. The trees were bending before the storm.在暴风雨的威力下树被吹弯了。 31. What is her gross income before deductions?未扣除各项开支之前她的总收入是多少? 32. It's ten before six.6点差10分。 33. she had to rest before dinner.她用餐前要休息一下。 34. the day before yesterday.前天。 35. [as conjunction]they lived rough for four days before they were arrested.他们在度过了艰难的四天后被捕了。 36. it wasn't long before I had my first bite.没一会儿我就第一次等到了鱼来咬饵。 37. his playing days had ended six years before.他轻松愉快的日子六年前就结束了。 38. it's never happened to me before.我以前从未碰到过这种事。 39. [as prep.]Matilda stood before her, panting.马蒂尔达气喘吁吁地站在她面前。 40. the patterns swam before her eyes.各种图案在眼前浮现。 41. [as adv.]trotting through the city with guards running before and behind.在卫兵前呼后拥下一路小跑穿过城市。 42. he could be taken before a magistrate for punishment.他可能会被送到地方法官那里接受处罚。 43. [as prep.]rangers are taught to put their horses' comfort before their own.骑兵被教导关心马匹要胜过关心自己。 44. a woman who placed duty before all else.一位视职责高于一切的妇女。 45. [as conjunction]they would die before they would cooperate with each other.他们宁死也不愿合作。 46. You can call me any time before 10 o'clock.10点钟前你可以随时打电话给我。 47. the week before last上上星期 48. They should be here before long (= soon).他们不久就该到达。 49. Turn the lights off before you leave.离开前要关灯。 50. ‘H’ comes before ‘N’ in the alphabet.按英语字母的次序，H 在 N 之前。 51. A very difficult task lies before us.有项十分艰巨的任务摆在我们面前。 52. a company that puts profit before safety (= thinks profit is more important than safety)一家重视利润甚于安全的公司 53. They knelt before the altar.他们跪在圣坛前。 54. You will appear before the judge tomorrow.你明天将在法官面前应讯。 55. I'd die before I apologized to him!我宁愿死也不向他道歉！ 56. I think we've met somewhere before.我想我们以前在什么地方见过面。 57. It was fine yesterday but it rained the day before.昨天天晴，但前天下雨。 58. Haven't we met before?我们以前没见过吗？ 59. the night/day before前一晚/天 60. I've never seen her so happy before. [=I've never seen her as happy as she is now]我之前从未见过她如此高兴。 61. We haven't had these problems before.我们以前从未碰到过这些问题。 62. Everything is just as (it was) before.一切如故。 63. marching on before [=ahead]向前行进 64. We arrived shortly before six o'clock.我们快到六点时到达的。 65. before dinner晚饭前 66. He left just before sunrise.他刚好在天亮之前离开了。 67. I've never seen her so happy before now.我之前从未见过她如此高兴。 68. Call me before your arrival.你快到时给我打电话吧。 69. She arrived the day before yesterday.她是前天到的。 70. Why haven't you ever helped me before now/this?你在此之前怎么从来没有帮助过我呢？ 71. I finished the exam before him. [=before he finished the exam]我比他先考完试。 72. You can go before me. [=before I go]你可以比我早走。 73. "He's an electrician, like his father before him. [=his father was also an electrician]"他是电工，他父亲以前也是电工。 74. "They earned 50,000 dollars before (paying) taxes."他们的税前收入是5万美元。 75. It's 20 (minutes) before 12. [=it's 20 of/to 12; it's 11:40]差20分12点。 76. Your name is listed before mine.你的名字排在我之前。 77. You'll see my house just before the bank and after the school.你会看到我家就在银行前面，学校后面。 78. The number 2 comes before 3 and after 1. [=2 comes between 1 and 3]数字2在3和1之间。 79. The Great Plains stretched endlessly before them.一望无际的大平原在他们面前延展开来。 80. The championship fight took place before a crowd of thousands.冠军争夺战在成千上万的观众面前打响了。 81. The defendant stood up before the judge.被告在法官面前站了起来。 82. The case before the court involves a robbery.法庭正在审理的是一宗抢劫案。 83. the candidates before the voters选民可选的候选人 84. I have a proposal to put before [=to] the board.我有个提案供董事会考虑。 85. The question before us is this: did he fall or was he pushed?我们要弄清的问题是：他是自己摔倒的，还是被人推倒的？ 86. They had no idea of the ordeal that lay before them.他们完全没有预想到即将面临的这场磨难。 87. They put quantity before [=above] quality. [=they cared more about quantity than about quality]他们重数量轻质量。 88. He vowed that he would choose death before dishonor. [=he would rather die than be dishonored]他发誓说宁愿死也不肯蒙羞。 89. The tree fell before the force of the wind. [=the force of the wind caused the tree to fall]树被大风刮倒了。 90. He left long before morning came.他早在黎明之前就离开了。 91. The judge stood up before the defendant did. [=the defendant stood up after the judge did]法官先于被告站了起来。 92. Say goodbye before you go.你临走之前告个别吧。 93. Call me before you arrive.你抵达前给我打个电话吧。 94. before [=until] she met him she had never been so happy.在遇见他以前，她从未如此快乐过。 95. I finished the exam before he did.我比他先考完试。 96. It was/happened not long before he arrived.此事发生在他到达前不久。 97. He left before I could thank him. [=I wasn't able to thank him because he left too soon]我还没来得及谢他，他就走了。 98. I'll resign before I give in! [=I would rather resign than give in]我宁可辞职也不愿屈从。 99. It did not take long before he had earned their trust. [=he earned their trust quickly]他很快就赢得了他们的信任。 100. "“I have promises to keep and miles to go before I sleep…”Robert Frost, “Stopping by Woods on a Snowy Evening” (1923)罗伯特·弗罗斯特，《雪夜林畔小驻》(1923) "“但我还要守一些诺言，还要赶多少路才安眠…” 101. Get out of there before you get dirty! [=get out of there because you will/might get dirty if you don't]离开那里，以免弄一身脏！ 102. "before I forget, will you give me your telephone number? [=I'm asking for your telephone number now because I might forget to do it later]"趁我还记得，把你的电话号码给我可以吗？ 103. He must be convicted before he can be removed from office.必须先证明他有罪才能将他撤职。 104. You must have completed an introductory class before you can take an advanced class.你必须先修完入门课才能上高级班。