back

背、背部

She hurt her back lifting those heavy boxes.

她搬那些重箱子时弄伤了背。

后面、背面、后方

Write your phone number on the back of the card.

把你的电话号码写在卡片背面。

椅背、靠背

He hung his jacket over the back of the chair.

他把外套挂在椅背上。

后卫球类运动

He played as a back for the university team.

他在大学校队担任后卫。

回、回原处

I'll be back in ten minutes, so please wait here.

我十分钟后就回来，请在这里等。

向后、往后

She tied her hair back before she started cooking.

她开始煮饭前把头发往后绑起来。

回复、回报

Call me back as soon as the meeting ends.

会议一结束就回我电话。

以前、之前口语

We first met at a conference about five years back.

我们大约五年前在一场研讨会上初次见面。

后面的、后部的

Please use the back entrance after nine in the evening.

晚上九点以后请走后门进出。

过期的、积欠的

The company still owes him three months of back pay.

公司还积欠他三个月的薪水。

支持、赞助

Several local firms backed the plan to build a new library.

几家当地公司支持这项兴建新图书馆的计划。

倒车、倒退

He backed the car slowly into the narrow parking space.

他把车慢慢倒进那个狭窄的车位。

押注、下注

She backed the wrong horse and lost all her savings.

她押错了马，把积蓄都输光了。

支持、声援

Will you back me up if I raise the issue tomorrow?

如果我明天提出这个问题，你会支持我吗？

备份

Remember to back up your files before updating the software.

更新软体前记得备份你的档案。

让步、退让

Neither side was willing to back down after the argument.

争执过后，双方都不愿让步。

退开、罢手口语

Back off and let her make her own decision.

退开一点，让她自己做决定。

退出、打退堂鼓

Two investors backed out just before the deal was signed.

合约签订前，有两位投资人临时退出。