I don \ \ \ \ \ \ \ 't know why we always eat spicy food, but it \ \ \ \ \ \ \' s good for our health because it has a lot of herbs.

我不知道我们为什么总是吃辣的食品，但是这是有益于我们的健康的，因为它许多都是药草。

youdao

I don "t know why we picked her."

我不知道我们为什么挑选了她。

youdao

Summer is sultry. That "s the reason why I don" t like it.

夏天很闷热，这就是我不喜欢它的原因。

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.

NPR: Dustbin Bands: The Surreal McCoys

And then as I grew up, you know, I started to appreciate my culture and where they're from and so I decided, like you know, I don't like what's out there, so why don't I try doing something to change it too?

NPR: Rapping About Land and Identity

"When I got to 200 pounds, I decided, well, 'Why don't I go for a weight that's a healthy weight range for my height, '" said Welch.

CNN: Tired of slights, embarrassment, man sheds 87 pounds