Didn't I warn you about the pit!

我不是警告过你小心那个坑了吗！

youdao

I warn you to have nothing to do with it.

我警告你们不要去招惹它。

youdao

I warn you not to go out alone after midnight.

我警告你不要在深夜独自外出。

youdao

"Once again I want to warn everybody, especially in Mexico, if you want to come to America through Maricopa County, we are going to have enough fire power to react to any assaults on our deputy sheriffs."

VOA: standard.2010.07.20

And as an added incentive for you to pay attention, I'm going to warn you that this particular simulation will appear in the final or a variant of it.

作为提高你们注意力的激励，我要警告你们,这个特殊的仿真程,或者它的变种会再期末考试出现。

麻省理工公开课 - 计算机科学及编程导论课程节选

But the other approach, and the one that I should warn you I'm going to take this semester, in this class, is rather different.

而另一种方法，我要提醒你们,我这个学期将采用，这个课题是不同的。

耶鲁公开课 - 死亡课程节选

"I warn you, it is ham, " Lane's character says, always ready with a quip.

WSJ: Review: Nathan Lane shines in 'The Nance'

So night after night, I pull out pen and paper and drag myself to movie screenings just so I can warn you and inform you.

CNN: About movie reviewer Paul Clinton

In this case it is Bill Winters, rather than a former central banker (by the way, I should warn you that this is a blog BOGOF: reflections on JP Morgan and on the Bank of England's self-examination).

BBC: Should JP Morgan have listened to Winters?