When did you make the acquaintance of his brother?

你是么时候认识兄弟的?

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么时候抵达月球。

When do I need to use an apostrophe?

么时候用撇号？

I don't mind when you have the salad — dig in!.

不管你么时候吃色拉——快吃罢！。

When are they sending the goods round?

们打算么时候把货物送过来?

There is no knowing when he will come.

无法知么时候来。

When did Rigatoni get back from Rome?

那个意大利佬么时候从马回来了？

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

"还没有决定么时候动,在仔细考虑。"

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

请通知们你们么时候到达, 以便们做准备。

When is the next sailing to Ostend?

去奥斯坦德的下一班船么时候开?

He had an unerring instinct for when people were lying to him.

具有准确的直觉，能判断别人么时候是在说谎。

When was universal suffrage introduced in your country?

贵国是么时候实行普选权的？

They knew when to attack and when to retreat.

们知么时候进攻和么时候撤退。

Tom, when are you going to stop tearing around and settle down?

汤姆, 你么时候才能不再到处游荡而安定下来呢?

Whenever did you find time to do it?

你么时候有空做这事？

Whenever did he tell you that?

么时候告诉你的?

It is not certain when it will take place.

不能确定这事么时候会发生。

Have they announced when the race will begin?

们宣布比赛么时候开始了吗?

Life is a loller coaster, and you never know when it turns.

生活就像过山车，你根本不知么时候会转弯。

When will we get a crack at the championship?

们么时候才能参加锦标赛？