Definitions

[1] prep. 在...之前

[2] conj. 在...之前

[3] ad. 在前

[4] [经] 临

[ bɪ'for ]

1. At this rate, we're not likely to be done before the end of the week.
   按照这个速度，我们不会在这周结束前完成。
2. I have to give back the book before Saturday.
   我必须在礼拜六之前把书还回去。
3. You told her that you had finished the work three days before.
   你告訴她你已經在三天前完成這個工作了。
4. You will have heard this story before.
   您以前应该听过这个故事。
5. You must come back before nine o'clock.
   你必须在九点之前回来。
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6. You should return home before it gets dark.
   你應該在天黑之前回家。
7. It won't be long before your dream comes true.
   你的夢想很快就會成真了。
8. Be sure to put out the fire before you leave.
   一定要熄了火，然后再离开。
9. We waited for hours before help arrived.
   一直等了好幾個小時，才有人來救我們。
10. It'd be great if you could pick up some bread before you come home.
    这将会是巨大的，如果你可以挑选一些面包，然后再回家。
11. It won't be long before they get married.
    他們很快就會結婚了。
12. Comb your hair before you go out.
    在你出門之前，把你的頭髮梳一梳。
13. Make sure to turn off all the lights before going out.
    出去之前确认一下所有的灯都关了。
14. Shine your shoes before going out.
    出門前把你的鞋子擦亮。
15. We hoped to have done with the work before the holidays.
    我们希望在放假前做完了工作。
16. We must finish everything before Tuesday morning.
    周四早上之前我们要全部完成。
17. She scraped her shoes clean before she entered the house.
    她进屋前擦了鞋。
18. We have five days to go before the summer vacation.
    离放暑假还有五天。
19. It became dark before I knew it.
    我不知道天色變暗了。
20. Don't cry before you're hurt.
    不要在你受傷之前哭。
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