At the same time, doctors warn that acid in aspirin can cause bleeding in the stomach and intestines.

VOA: special.2009.10.20

So I should warn the people sitting at the back that my handwriting is pretty bad, that's one reason for moving forward.

提醒一下坐在后面的人,我的板书写得很糟,所以最好往前坐

耶鲁公开课 - 博弈论课程节选

I should also warn you that this code includes some Python concepts, at least one, that you have not yet seen.

我得事先说明这个代码中,包括了一些你没见过的Python语言的概念，至少一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

However, under the Card Act, financial institutions must warn customers at least 45 days before making substantial changes to rates or fees.

WSJ: Credit Cards Are Exception to Lower Consumer Rates

Every few weeks I feel the need to warn all that at some point stocks are likely to plunge.

FORBES: Stocks Edging Closer To Financial Cliff

Allie stood up, seeing that she might need to do something or at least warn the other people who were there.

WHITEHOUSE: Remarks by the President After Hospital Visit