时候

They knew when to attack and when to retreat.

他们知道什么时进攻和什么时撤退。

When do I need to use an apostrophe?

什么时用撇号？

You must turnon the light when you come in.

进来时要开灯。

That cup of tea was just the job.

那杯茶来得正是时。

When would it be convenient for you to go?

什么时便？

When will the police solve the crime?

警什么时能破案?

It is seldom that it rains in such a time in winter.

在冬天这个时很少雨。

There is no knowing when he will come.

无法知道他什么时来。

You should have good manners all the time.

任何时都应该有。

Whenever did you find time to do it?

什么时有空做这事？

Whenever did he tell you that?

他什么时告诉的?

I’ll be pushing up daisies by the time that happens.

到那时我墓木已拱。

In his youth he was enamoured of music.

他年轻的时酷爱音乐。

It is time for hens to brood.

该是母鸡孵蛋的时了。

When will the baby chickens hatch out?

小鸡什么时孵出来?

When is the train due at Shanghai?

火车该什么时到上海?

It is too soon to sow yet.

现在还不到播种的时。

Peaches are in season at the moment.

眼正是桃子上市的时。

Be modest when you are on the crest of the wave.

在最得意的时要谦虚。

He can be rather moody at times.

有时他情绪不稳定。