"Preschool," they warn, "is rapidly following suit."

他们警告：“幼儿园很快就会成为另一个灾区。”

youdao

They warn us of dangerous trends. They point out potent evils.

他们为我们警告对危险倾向，指出潜在的邪恶。

youdao

They warn that the lack of sleep is having a serious knock-on effect on our health.

他们警告说，睡眠不足会给我们的健康带来严重的连锁反应。

youdao

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

VOA: special.2009.10.13

They warn us of dangerous trends. They point out potent evils.

他们为我们警告对危险倾向，指出潜在的邪恶。

耶鲁公开课 - 1945年后的美国小说课程节选

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

VOA: standard.2009.09.01

But they warn against phoney sincerity, and (perhaps surprisingly) they advocate displays of weakness.

ECONOMIST: The genuine article

They warn that they won't make such loans because they carry increased legal risk.

WSJ: Prebuilt Loan Predicament

And as for the Polisario, they warn that this refurbishment deal comes at a dangerous time.

BBC: News Online