back

n C

1. 背；背部

• the back of a chair(或knife,bow) 椅子(或刀，弓)背

• Lie on your back and look at the stars. 躺着看星星吧。

2. 后面；后部

• sit in the back of this car 坐在这辆车的后座上

• an appendix at the back of the book 书末附录

• the back of the theatre 剧院后排

3. 背面；反面

• the back of the hand 手背

4. 脊骨；(船的)龙骨

• He broke his back in an accident. 他在一次事故中摔断了脊椎骨。

• The ship broke her back. 船的龙骨断了。

5. 【体】 后卫

6. 力气

• put some back into one's work 使点劲儿干活

词组at one's back 支持某人

• He has the head of the Department at his back. 他有部门负责人的支持。

behind sb.'s back 背着某人

• Don't be the kind of person who speaks ill of others behind their backs. 不要做背后说人坏话的人。

be (flat) on one's back 卧病

• He's been flat on his back with flu for three weeks. 他得了流感，已经卧病在床三个星期了。

be on sb.'s back 非正式 找某人的麻烦；缠磨某人

• My son has been on my back for weeks to buy him a new bicycle. 几星期来，我儿子总缠着我给他买一辆新自行车。

put your back into it 非正式 竭尽全力于…

• You can reach your goal if only you put your back into it. 只要你全力以赴，就能实现你的目标。

put(或get) sb.'s back up 非正式 使某人生气

• You'll just put people's backs up if you're aggressive all the time. 如果你总这么好斗的话，就会惹得别人生气。

the back of beyond 非正式主英 穷乡僻壤

• They live on a farm somewhere in the back of beyond. 他们住在一个偏僻的农场里。

turn one's back on 拒绝接受，否认

• He has turned his back on our proposal. 他拒绝考虑我们的建议。