I swear (that) I'll never leave you.

我保证决不离开你。

《牛津词典》

He'll never leave you. You needn't worry.

他永远都不会离开你的，你不必担心。

《柯林斯英汉双解大词典》

Don't worry about the baby not wanting to leave you—it's a stage they go through.

宝宝不肯离开你别担心，他们总要经过这个阶段。

《牛津词典》

We leave you with one of their winning songs, the Rolling Stones' "You Can't Always Get What You Want."

VOA: special.2010.01.08

So, what I'm saying is, when you leave the place you were born, you leave your ancestors as well.

我想说的是,当你离开故乡,你也就离开了你的祖先

耶鲁公开课 - 古希腊历史简介课程节选

you could leave your response to the invitation slightly open-ended by saying you're not sure.

你可以表示你不确定，开放性地回复这个邀请。

I don't know 课堂 - SpeakingMax英语口语达人

So as we talk about apples and oranges, that's the apples-to-apples comparison I'll leave you with.

WHITEHOUSE: The White House

The e-mails from Fabrice Tourre and others will leave you, at best, feeling uncomfortable.

FORBES: Goldman Sachs And Legality Vs. Morality

But even when on a break, the job doesn't leave you, says Mrs Sanders.

BBC: 'Always on edge' - a carer's life