查询词典 beforehand

If you know you will be late, it is polite to notify the teacher beforehand.

如果你知道你将会迟到，事先通知老师是一个有礼貌的做法。

We need to make accurate estimation beforehand.

我们需要事先作出准确的估计。

We need to make an accurate estimate beforehand.

我们需要事先作出准确的估计。

If you are going swimming, do not eat beforehand.

如果你要去游泳，事前不要吃东西。

You need to research your business beforehand .

你需要事先去为你的工作做个研究。

We need to make a accurate estimate beforehand.

我们需要事先作出准确的估计。

In case of being away,I will let you know beforehand.

如果外出，我会事先告诉你的。

Also I wanted to know beforehand what he wanted to talk about.

我也想预先知道他想谈什么。

We have to make an exact estimate beforehand.

我们需要事先作出准确的估计。

You feared that I should be beforehand with you.

你是害怕我会捷足先登的。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。