But who knows, maybe I'll never go back!

但谁知道呢，也许我再也不回去了！

youdao

But who knows who will help them afterwards.

但谁也不知道，以后还会不会有人来帮助他们。

youdao

But who knows.

但谁知道呢。

youdao

But anyone who has ever lived in Chicago knows how cold that wind can be in winter.

VOA: special.2010.01.10

In other words, the teaching fellows I had in those days who knows? They may rise up against me in the same way this semester -but the teaching fellows I had in those days said, "You can't teach an introduction.

也就是说，当时我教的那些学生,谁知道呢？，这学期他们也有可能以同样的方式反驳我,当时我教的那些学生说，“你不能教入门。

耶鲁公开课 - 文学理论导论课程节选

but everyone knows, like, which one's, ah... which societies exist and who is in them, just things like that.

但是每个人都知道这种社团的存在，也知道社团的成员是谁，这些事情都不是秘密。

耶鲁对比哈佛 - SpeakingMax英语口语达人

But who knows what would have happened had they not done these massive repurchases.

FORBES: Connect

We are two points ahead of Birmingham but who knows how it will turn out.

BBC: SPORT | Football | My Club | Portsmouth | LuaLua faces scan on foot injury

But who knows, between now and then, what those individual steps will look like.

FORBES: Doddle Of The Dead - Putting The App In Zombie Apocalypse, Part 2