看见我，你可能会尖叫，但我不知道为什么。

If you see her, do not scream.

youdao

然而，复发率也似乎更高一点，但我不知道为什么。

However, relapse also seems a little bit higher, I don't know why.

youdao

有些东西让你不得不跑开，但我不知道为什么我没有来。

Something has to make you run, I don't know why I didn't come.

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

But for me, I like to look at something and just say, "I like this. I don't really know why though."

但对我来说，我喜欢看着某个东西，然后说，“我喜欢这个。但我也不知道为什么。”

关于现代美术 - SpeakingMax英语口语达人

In fact, I do this as well, I mean I have water with me and I have no idea why because I'm not particularly dehydrated.

事实上,我也整天带着水壶,我是说我随身带水,但又不知道为什么要带,因为我并没有特别的脱水症状

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选