Are you ready? If not, I'm going without you.

你准备好了吗？否则我就自己去了。

《牛津词典》

Are you sure he's not two-timing you?

你肯定他没有背着你另有所爱？

《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》

But if the person who won your heart does not love you, then you are sure to have a broken heart.

VOA: special.2010.07.18

In other words, you are an end and not a means to me unless in fact I'm exploiting you and instrumentalizing you. Right?

换言之，对我来说，你不是手段，而是目的,除非我在剥削你，或把你工具化，是吧？

耶鲁公开课 - 文学理论导论课程节选

You just got to be looking around all the time to make sure you are not going to be run down.

你随时观察四周以确保你不会被撞倒。

伦敦的蓝色自行车 - SpeakingMax英语口语达人

Would you be surprised to learn that if you are not careful you just may end up doing yourself more harm than good?

FORBES: Virtuous Behavior Licenses Dangerous Decisions

If you are not on board, then you are not getting key analysis and perspective as fast or as often as you could!

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If you are not you cannot beat a team like Liverpool.

BBC: SPORT | Football | My Club | Liverpool | Benitez blames defenders for exit