“但是为什么…？”她的声音细了下去。

'But why …?' Her voice tailed away.

人们到底为什么总敞着门呢？

Why oh why do people keep leaving the door open?

我不明白她为什么没打电话。

I'm baffled as to why she hasn't called.

为什么你不试试说服他？

Why don't you have a try at convincing him?

你为什么没来呢？其他所有的人都来了。

Why didn't you come? Everybody else was there.

这种游戏为什么具有经久不衰的吸引力呢？

What is the reason for the game's enduring appeal?

我弄不懂你为什么和那伙人浪费时间。

I don't know why you bother with that crowd.

我无法理解她为什么要嫁给杰夫。

It's beyond me why she wants to marry Jeff.

欧洲大陆人根本不理解我们为什么喜欢喝温啤酒。

The continentals have never understood our preference for warm beer.

我为什么要帮你？给我一个充分的理由。

Give me one good reason why I should help you.

问一下你为什么要离开不知是否唐突？

Would it be impertinent to ask why you're leaving?

你为什么非要老提我离婚的事呢？

Why do you have to keep dragging up my divorce?