Don't you know why you are discontented?

你难道不知道你为什么不满足吗？

youdao

Why, you don't even know what they're about!

怎么，你甚至不知道它们是关于什么的！

youdao

You said it. I just don't know why everyone replies this question.

你说的对，我只是不知道为什么大家都回复这个问题。

youdao

What, you think I regret saving you? I can see that you do.I just... I don't know why.

VOA: standard.other

If you don't know why you're about to eat cake like that you will soon, but you know this.

如果你现在还不知道为什么将要吃到那样的蛋糕,很快就会知道的，你清楚这一点。

哈佛公开课 - 计算机科学课程节选

I don't understand why you'd want to take a pill to fix something that we know little about.

我不明白为什么你会愿意吃药片来治好一些我们甚至都不清楚的毛病。

对付压力的方法 - SpeakingMax英语口语达人

The homescreen itself only functions in landscape mode, and doesn't re-orient when you flip the phone sideways (though we don't know why you'd ever use it that way).

ENGADGET: Samsung Galaxy Pro review Mobile

He said, yeah you, I don't know why you're running against George Bush.

NPR: Obama Challenges Bush Policies Backed By McCain

Don't know why I ever thought I needed, don't know why I thought I needed, don't know why I ever thought I needed you.

NPR: Dustbin Bands: The Surreal McCoys