They puzzled over the question for quite a while.

这问题们苦苦地想了很久。

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。

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 accustom himself to the idea.

了一段时间才习惯这想法。

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

了一会儿才明白们的幽默方式。

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治、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，们会给你适当的报酬。

While the adults doze, the young play.

大人们在打瞌睡, 而孩子们在玩耍。

The driver bumped the kerb while reversing.

司机倒车时撞到了路边石。

Keep still while I comb your hair.

给你梳头时，请不要动。

Please listen while I define your duties.

在规定你的职责时, 请仔细听好。

Motion is absolute while stagnation is relative.

运动是绝对的,而静止是相对的。

His book, while truthful, is wanting in excitement.

的书写得非常真实, 但兴味索然。

While we were talking, a bloke came up.

们正在谈话, 一人走了来。

Don't clatter your knives andforks while eating.

吃东西的时候不要把刀叉弄得丁当作响。

We surprised the enemy while they were sleeping.

们在敌人睡觉时奇袭们。

They while away many afternoons on the beach.

们在海滩消磨了许多下午。

He scanned the newspaper while having his breakfast .

在吃早饭的时候浏览了一下报纸。

Their children study hard while ours never study.

们的孩子学习很刻苦, 而们的孩子从来不学习。