我不明白你为什么对我们抱着这么深的偏见。

I cannot understand why you are so prejudiced against us.

youdao

你的网站是另一个程序, 我不明白你为什么需要我们的代码?

Your web application is a different application, and I don't see why you want any of our code.

youdao

我们不明白为什么。

And we don't understand why.

youdao

So, for these reasons and probably for hundred more that I haven't thought of, we can understand why these people go against the natural instinct of staying put and go adventuring out, seeking a new home someplace in the Mediterranean.

那么综上所述,当然还有很多因素我们没有涉及到,我们能够明白为什么这些人,不顾人类本性,执意远征,在地中海寻找新的家园

耶鲁公开课 - 古希腊历史简介课程节选

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