prep.

1. 在……以前
   Only two days remained before the examination.

   考前只剩下兩天了。

2. （指順序，重要性等）在……之前，先於
   Your name comes before mine.

   你的名字在我之前。

   Pride comes before a fall.

   驕必敗。

3. 由……考慮中
   We will put the matter before the committee.

   我們將把此事提交委員會考慮。

4. 在……前面；在……面前
   She said she had never spoken before an audience.

   她說她從未在大庭廣眾演講過。

5. 被……所迫；迫於
   Their troops recoiled before the attack of the enemy.

   他們的部隊迫於敵人的進攻而後撤。

ad.

1. 較早
   Come at two o'clock, not before.

   兩點鐘來，不必再早了。

2. 以前；曾經
   He was never late before.

   過去他從不遲到。

   Have you two met before?

   你們兩人以前見過面嗎？

3. 在前；向前
   Several soldiers went before to scout.

   數名士兵在前面探路。

conj.

1. 在……以前
   Check it carefully before you hand it in.

   交來之前仔細核對一下。

2. 與其……寧可
   I'd die before I'd tell.

   我寧死也絕不會說出來。

3. 否則，要不然
   Get out before I call the police.

   滾開，否則我叫警察。

prep.

conj.

adv.

1. during the period of time preceding.
2. in front of.
   ▸in front of and required to answer to (a court of law, tribunal, or other authority).
3. in preference to; with a higher priority than.