There's no earthly reason why you shouldn't go.

你完全没有理由不去。

《牛津词典》

Well, that doesn't explain why you didn't phone.

嗳，那不是你不打电话的理由。

《牛津词典》

First, you have to think logically about your fears.

首先，你得对你担忧的理由好好地想想。

《牛津词典》

So when someone says, "your apartment, it's not so great." You can tell them these reasons and then you say,

所以当有人说，“你的公寓不怎么样”，你可以告诉他们上述理由，然后你说，

That's why 课堂 - SpeakingMax英语口语达人

You don't have it, you don't have any immunity to smallpox, you don't have any reason to immunity to smallpox.

你们对天花没有任何免疫力,你没有任何理由能对天花免疫

耶鲁公开课 - 生物医学工程探索课程节选

But for all that, it's not because you've got any good reason not to kiss the person.

但尽管如此，并不是因为你有什么好的,不去亲吻这个人的理由。

耶鲁公开课 - 死亡课程节选