I'm going to tell you about two T-shirts that I really, really love and explain why.

我要跟你们讲述我非常非常喜欢的 两件T 恤衫，并解释原因。

youdao

I can "t imagine why."

我想不通为什么。

youdao

T this point you might be wondering why you wasted your time reading so I could give you such plain advice.

现在你可能在想自己为什么要浪费时间来看这些普通的建议。

youdao

I don't know why I do it. I just do it."

VOA: special.2009.07.04

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

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.

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