You're not hungry, are you?

你不饿，对吧？

《牛津词典》

You didn't really, did you? You're not having me on, are you?

你真的没有干吧？你不是在哄我吧？

《牛津词典》

If you're not careful, you could finish up seriously ill.

你要是不小心，可能到头来会得场大病。

《牛津词典》

You know,the circulation, and the smell of your own panic, you know, when you're not sure what to do."

VOA: special.2010.07.26

And Bill said, "No, you're not you don't get it.";And our motto is something he actually said to me to get me to stay.

比尔说“不行，你还没完全尽力呢“,我们的座右铭按他说来是让我留下来。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

You want to... you're not sure if you're going to read something that's related to literature, or to science,

你想要……你不确定是读点跟文学相关的还是读点跟科学相关的内容。

How many课堂 - SpeakingMax英语口语达人

You get to be someone you're not or you get to embellish the characteristics you have in yourself.

CNN: Real pirates don't say 'Aaaarrrr'

If you walk around holding the cell phone, after a while you're not sure you have it in the hand anymore.

CNN: More talking, more problems: 'Cell phone elbow' damages nerves

You're not concentrating because you're not totally believing in what's going on.

BBC: Pompey pay for chasing the dream