Why do we breathe, why do we procreate?

我们呼吸，生儿育女？

Why are the lupanine derivatives bitter ?

白金雀儿碱的派生物是苦的？

Why did he cast aspersions upon us?

他伤我们?

Mike certainly rated her, goodness knows why.

迈克对她赞赏有加，天晓得是原因。

Why is the chimney smoking so much?

烟筒冒多烟？

Why do you always miswrite the words?

你怎老写错字？

Why did you do that, you nitwit?

你干那个呢?你个傻瓜。

Why are they so malevolent to me?

他们对我如此恶毒?

Why can not criminalize the "sex bribe"?

不能将性贿赂犯罪化?

Why are they knocking down the wall?

他们在拆墙?

I wonder why she is staying away.

我不知道她还不来。

Why should all writers follow a pattern?

作家都遵循一个模式写作呢?

Why do you read that worthless rag?

你看种没有价值的报纸?

Why do not you climb down and apologize?

你不认错道歉呢?

Why are you offering yourself for additional work?

你给自己找额外的活儿干呢?

Why do the aged tend to be taciturn?

很多老年人沉默寡言？

She was quite explicit about why she left.

她对自己离去的原因直言不讳。

Why all of my destiny is too flexura!

我的命运都是那的曲折！

Why are you giving me the third degree?

你干嘛打破砂锅问到底？

Why do you impute selfish motives to her?

你说她的动机是自私的?