I should look out if I were you!

如果我是你，我就会小心的。

《柯林斯英汉双解大词典》

If I were in your shoes, I'd resign immediately.

要是我处在你的地位，我就立刻辞职。

《牛津词典》

If I were you, pal, I'd stay away from her!

我要是你呀，小子，我就离她远远的！

《牛津词典》

He told a friend: "I am satisfied that if the election were held now, nothing could prevent me from becoming president.

VOA: special.2009.03.05

If it were just a little bit different I could say, all right, I have a different approximation. But when it's this different, something is wrong. Right?

但是如果仅仅有点差异的话,我可以认为没什么大问题,我得到了一个不太一样的估算，但这确实有差异，出问题了对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

I also think that if you were to go a little bit lower than that in terms of like...

我还想，如果你想要比它稍微档次低点儿的，比如……

喜欢的设计师 - SpeakingMax英语口语达人

"The Theory of Flight" is not a depressing film about a dying woman. (But if I were you I would take some Kleenex.) Rather, this is a wonderfully absurd story about liberation and love.

CNN: Review: 'The Theory of Flight' soars with emotion

But I think this is a great time to be president of the U.S., and if I were Barack Obama, I'd be seizing the historic opportunity that has just been handed me.

WSJ: How Obama Can Fix the Economy

Every so often new pop programmes would come along but Top of the Pops seemed to carry on, so I would probably hang on if I were them.

BBC: NEWS | Entertainment | Status Quo: Top of Top of the Pops