他说他明白为什么他们表现得如此让人震惊。

He says that he understands why they behaved so appallingly.

《柯林斯英汉双解大词典》

为什么他们不能不再小心翼翼，而是说出自己的心里话？

Why don't they stop pussyfooting around and say what they really mean?

《柯林斯英汉双解大词典》

为什么他们会对广告做出如此反应？

Why they respond to advertising as they do?

youdao

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选

And she was able to tell me that they can divine from the hits on their site why people are coming to that site.

她告诉我，他们可以从网站的点击次数,推断出人们为什么访问他们的网站。

普林斯顿公开课 - 人性课程节选

Then you say, well why didn't they divide by 365, because I know there are 365 days in a year?

也许你们会问,为什么他们不除以365,因为一年有365天

耶鲁公开课 - 金融市场课程节选