| 释义 |
*back³
v
1 [T] to support someone or something, especially by using your money or power 支持〔某事〕; 资助〔某人〕:
The bill is backed by several environmental groups. 该议案得到好几个环保组织的支持。
2 [I,T] to move in the direction that is behind you, or to make a vehicle move in this way （使）倒退，（使）后退; 倒〔车〕:
We slowly backed away from the snake. 我们慢慢地从蛇身边后退。
Teresa backed the car down the driveway. 特里萨顺着车道倒车。
3 [T] to BET that a horse, team etc will win something so that you get money if they do 下赌注于〔赛马、球队等〕:
Who did you back to win the Superbowl? 你赌谁会赢得超级杯赛？
back downto accept that you have lost or to admit that you are wrong 承认失败; 承认错误:
Rosen backed down when he saw how big the other guy was. 当罗森看到另一个家伙个子有多大时，他只好认输。
back off
1 to move away from something 后退:
Back off a little, you're too close. 退后一点，你靠得太近了。
2 spoken, especially AmE used to tell someone to stop annoying you 【口，尤美】滚开:
Back off! I don't need your advice. 走开！我不需要你的建议。
back onto sth
if a building backs onto a place, the back of the building is near it 〔建筑物〕背对着:
The houses back onto a busy road. 这些房子背对着一条热闹的马路。
back out
to decide not to do something that you had promised to do 不履行〔诺言〕:
They backed out of the deal at the last minute. 他们在最后关头变了卦，决定不做那笔交易。
back up
1 [T back sb/sth ↔ up] to support what someone is doing or saying, or show that it is true 支持〔某人做的事或说的话〕; 证实〔某事〕:
He had evidence on video to back up his claim. 他有录像证据来证实他的说法。
2 [I,T back sth ↔ up] to make a copy of information on a computer 〔在电脑上〕复制（资料）
3 [I,T back sth ↔ up] to make a car go backwards 倒（车）
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