Why oh why do people keep leaving the door open?

人们到底为什么总敞着门呢？

Why do you always leave everything until the last moment?

你怎么什么事都留到最后一刻才处理？

Why do you suppose he resigned?

你凭什么推断他辞职了呢？

Why do people paint pictures?

为什么人们要画画？

Why do you dislike him so much?

你为什么那么讨厌他呢？

Why do you never dot your i's?

你为什么从不在字母i上加点呢？

Why do you want to go so badly?

你为什么要这么急着走？

Why do you have to be so untidy?

你为什么非得这么邋遢？

Why do they think the way they do?

为什么他们这么想？

Why do I have to take all these pills?

我为什么非得全部吃了这些药丸？

Why do you live out here in the boonies?

为什么你要在这个穷乡僻壤生活?

Why do organizations profess that they care?

为什么一些组织声称他们关心呢？

Why do they keep passing back to the goalie?

他们为什么总是把球回传给守门员？

Why do they always have to resort to violence ?

为什么他们总是非要诉诸暴力不可呢？

Why do I have the feeling I'm being used again?

为什么我觉得自己又在被人利用呢？

Why do you think we should have a vote on that?

你为什么认为我们应该对那件事进行投票表决？

Why do you have to keep dragging up my divorce?

你为什么非要老提我离婚的事呢？

Why do you make things so difficult for yourself?

你为什么这样跟自己过不去？

Why do police officers seem to be getting younger?

为什么警察好像越来越年轻了？

Why do some people take longer than others to blossom?

为什么有些人比其他人大器晚成呢？

Why do people persist in begging for money in the street?

为什么人们非要在街上讨钱呢？

Why do you persist in blaming yourself for what happened?

你何必为已发生的事没完没了地自责？

Why do I always get the blame for everything that goes wrong?

为什么出了事总是让我背黑锅？

"Why do you want to know that?" he demanded.—"Just curious, that's all."

“你为什么想了解它？”他索问道。—“只是好奇，仅此而已。”

So, once we have cohabited, why do many of us feel the need to get married?

那么，一旦我们同居了，为何我们中的许多人就觉得有必要结婚呢？

Why do you plant trees?

你为什么种树？

Why do you mention him?

你为什么提起他？

Why do cows use telephone?

为什么奶牛要用电话？

Why do spiders make webs?

为什么蜘蛛要织网？

Why do you collect signs?

你为什么收集指示牌啊？