他要离婚的理由是什么？

What were his grounds for wanting a divorce?

《牛津词典》

那么，最好的结婚理由是什么呢？

So what are the best reasons to get married?

youdao

问：你担心的理由是什么？

Q: What are the reasons for your concerns?

youdao

We don't have any particular reason to think my heart's one of the prior-existing pieces; we don't have any good reason to assume that my soul's one of the prior-existing pieces.

我们没有什么理由,去相信我的心脏是之前就存在的,我们没有理由说,我的灵魂之前就是存在的

耶鲁公开课 - 死亡课程节选

What would be your reason?

理由是什么？

耶鲁公开课 - 公正课程节选

What are your reasons?

理由是什么？

耶鲁公开课 - 公正课程节选