They puzzled over the question for quite a while.

这问题他们苦苦地了很久。

The mob bravadoed a while but never got really violent.

暴民们虚张声势了一番, 但始终没有真正地闹起来。

It took him a while to accustom himself to the idea.

他过了一段时间才习惯这法。

Dr Haber gazed at this while intercommunicating with his receptionist.

哈伯博士一边与接待助手通话一边凝神注视着这。

It took him a while to latch onto their style of humour.

他过了一会儿才明白他们幽默方式。

Prevention of hypertension and notalgia while young is better than a cure while old.

及早对年轻人推动高血压防、腰酸背痛预防之工作，以免老来受苦。

The package wasn't tied up securely and came apart while in the mail.

这包裹没有绑紧, 在邮递途中散开了。

If you can work on Saturdays and Sundays, we’ll make it worth your while.

如果你愿意在周六和周日加班，我们会给你适酬。

The driver bumped the kerb while reversing.

司机倒车时撞到了路边石。

Please listen while I define your duties.

在我规定你职责时, 请仔细听好。

Keep still while I comb your hair.

我给你梳头时，请不要动。

While the adults doze, the young play.

大人们在打瞌睡, 而孩子们在玩耍。

While pre-incrementation increases the original value directly.

而前置递增直接在原值上递增。

Motion is absolute while stagnation is relative.

运动是绝对,而静止是相对。

While we were talking, a bloke came up.

我们正在谈话, 一人走了过来。

They while away many afternoons on the beach.

他们在海滩消磨了许多下午。

Don't clatter your knives andforks while eating.

吃东西时候不要把刀叉弄得丁作响。

Who will manage while the director is away?

经理不在时谁负责?

He scanned the newspaper while having his breakfast .

他在吃早饭时候浏览了一下纸。

We surprised the enemy while they were sleeping.

我们在敌人睡觉时奇袭他们。