例句：
I don't get it ─ why would she do a thing like that?
我不明白——她怎么会干那种事？
If you love each other, why not get married?
要是你们彼此相爱，干吗不结婚呢？
Why not take a few days off?
为什么不休息几天呢？
Why oh why do people keep leaving the door open?
人们到底为什么总敞着门呢？
Why are you so dead set against the idea?
你为什么那样死命地反对这个主意呢？