back

vt

1. 使后退；使倒转

• back the car 倒车

• back sb. into a corner 迫使某人后退到角落

2. 支持，鼓励

• Don't worry. I will back you up. 别担心!我会支持你的。

• back the government in its action 支持政府的行动

3. 给…装上背衬；在背后加固

• back a coat 给大衣加衬里

• back the photo with strong cardboard 在照片背面裱上一层纸板

4. 衬托；以…为背景

• a beach backed by hills 傍山的海滩

• It was a sunny spot backed by a wall. 墙前边那块儿地方阳光很好。

5. 下赌注于

• We backed a certain horse, but it finished fourth. 我们把赌注押在了一匹马上，但它只跑了个第四。

vi

1. 后退；倒退

• He backed away from the gun. 他往后退了退，躲开了枪口。

2. (风)依北、西、南、东的次序转向

词组back away from sb. 避开某人 back down 打退堂鼓

• The speaker's forceful words persuaded his opponent to back down. 演讲人的雄辩使得他的对手知难而退了。

back off 后退，放弃

• Now the time for action has arrived，it is too late to back off. 行动的时刻到了，打退堂鼓已经来不及了。

back onto 背朝，背靠

• Our house backs onto a piece of woodland. 我们的房屋背朝着一片林地。

back out 不遵守(诺言、合同等)，改变主意

• We're in too deep to back out. 我们卷入太深，反悔不了了。

back up

1. 支持

• Susan would back me up if she were here. 要是苏珊在这儿的话，她会支持我的。

2. 使堵塞

• The accident backed up traffic. 事故堵塞了交通。

3. 往后退

• Back up a bit so that everyone can see. 往后退点儿，让大家都能看到。

4. 【计】 做备份