裁判警告他有危险动作。

The referee warned him for dangerous play.

《牛津词典》

他们警告他独自航行的重重危险。

They warned him of the dangers of sailing alone.

《柯林斯英汉双解大词典》

这种压力会向你的大脑发出危险警告的信号，让你的身体迅速做出反应。

This stress sends a message to warn your brain of danger, allowing your body to respond quickly.

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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

Spinoza taking him, taking his book to be a warning to the people about the dangers of princely rule, Rousseau believing that he had deliberately disguised his love of freedom because he had to appeal to the tyrannical nature of the Medici family.

斯宾诺莎把他看作，把他的书看作是,告诫人们提防君主统治危险性的警告，卢梭认为他是故意,伪装他对自由的热爱的，因为他不得不,投合具有暴君本性的美第奇家族的口味。

耶鲁公开课 - 政治哲学导论课程节选