If you think you can change your life in a clever way, the way an advertiser can get you to buy an air freshener, you're probably wrong.

如果你认为你可以用一种聪明的方式改变你的生活，就像广告商可以让你买空气清新剂那样，你可能就错了。

youdao

If you think you can easily beat him, you're all wet.

你以为轻易地就能打败他，那你就大错特错了。

《新英汉大辞典》

If you think you can succeed then you can.

如果你认为自己能成功，那么你就可以。

youdao

It's really important no matter what career you go into if it's accounting or human resources or science career that you can think critically and creatively, you can work in teams, you can adapt to change and that's important for everybody."

VOA: special.2010.04.01

I think she is a character that you can--if not identify with--at least, you can understand and be interested in.

也至少能够理解和感兴趣的角色，所以，在这本书，还有我们下次。

耶鲁公开课 - 1945年后的美国小说课程节选

If you want a real world example of this, think about the third Century B.C., someone can correct me afterwards.

现实世界也有这样的例子,大概在公元前三世纪,如果我说错了请大家来纠正

耶鲁公开课 - 博弈论课程节选

You're leaving yourself wide open if you think you can leave everything up to him.

FORBES: Watch Your Assets

Or if you think you can answer these for Steve, do that in the comments.

FORBES: The Big Questions We Would Ask Steve Jobs Tonight

If you think you can get away with it, break up the complex slides with four different graphs on them into four separate PowerPoint pages.

FORBES: Making The Best Of A Bad Situation - Media Training