什么时候

When did you make the acquaintance of his brother?

是什么时候认识他兄?

When would it be convenient for you to go?

什么时候去方便？

When it happened is immaterial; I want to know why it happened.

"发生在什么时候并不重要,要知道是为什么会发生这种事。"

There is no knowing when he will come.

无法知道他什么时候来。

We bought a camper van so we could go away whenever the fancy took us.

们买了一辆野营车，所以无论什么时候，只要们愿意就以出去。

When will we get a crack at the championship?

们什么时候才能参加锦标赛？

Are you fussy what time we have dinner?

们什么时候吃晚饭介意吗？

Please find out what time the delegation will come.

请查一查代表团什么时候来。

I will inquire when to begin our lessons.

要去问一下们什么时候开始上课。

I haven't decided when to set off; I'm mulling it over.

"还没有决定什么时候,正在仔细考虑。"

Come on, let’s go out now—you can do the housework any old time.

走吧，咱们现在就出去吧，家务什么时候都能做。

When will the baby chickens hatch out?

小鸡什么时候孵出来?

When will work on the highway be complete?

高速公路什么时候能完工?

Please notify us when you arrive, so that we'll be ready.

请通知们们什么时候到达, 以便们做准备。

Some good foundation are not when buyable.

有好基金不是什么时候都买。

When do you envisage being able to pay me back?

看什么时候能还钱?

When do you envisage being able to finish the experiment?

设想什么时候能做完这个实验?

When do I need to use an apostrophe?

什么时候用撇号？

The scientists are able to calculate accurately when the spaceship will reach the moon.

科学家能准确地计算出太空船什么时候抵达月球。

Have they announced when the race will begin?

他们宣布比赛什么时候开始了吗?