MIKE: Are you sure you're OK? Hey, you'd better sit down.

迈克：你确信你还行吗？嗨，你最好坐下来。

youdao

MIKE: Are you sure you're OK?

迈克：你确信你还行吗？

youdao

If you are going to start an exercise program, you should have the OK from your doctor first to make sure that you don't have any potential heart or other health issues.

如果你要开展一项运动，必须先得到你的医生的许可，确保你将不会有任何潜在的心脏或其他健康上的问题。

youdao

OK, important -- if you are part of this group here think about it and make sure you understand that.

好的，这很重要，如果刚才你选了可逆过程,请好好想想并且保证已经理解了这个问题。

麻省理工公开课 - 热力学与动力学课程节选

If you are asking someone to the prom, but you're not totally sure she is going to say yes, is it OK to ask someone in school to secretly get a little information from her, so you don't embarrass yourself and get rejected?

WSJ: 49 Questions for John Tortorella