Road signs warn drivers to watch out for moose, big animals that can walk into the road.

VOA: special.2009.01.05

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

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

This declaration is meant to warn that the time to plan for a pandemic is short.

VOA: special.2009.05.06

But,they warn that persons with weakened defenses for fighting disease are at greater risk.

VOA: special.2009.10.13

Firefighters say they are making progress, but they warn that it might not be contained for another two week.

VOA: standard.2009.09.01

Republicans oppose the Obama health care approach as too costly and warn the administration plan could affect the quality of care for those who already have health insurance coverage.

VOA: standard.2009.08.12

Political analysts warn that the timing of Mr.Brown's appearance will be unwelcome for many in his Labor party forcing the party to revisit an issue that was damaging in the last election.

VOA: standard.2010.01.22

"So while we're not really forecasting another meltdown, we're more in the correction camp, you certainly have to warn investors that it is a possibility, we could be in for maybe a slightly smaller version of the roller coaster that we went through in 2008."

VOA: standard.2010.05.21