warn

They warned him of the dangers of sailing alone.

他们警告他独自航行的重重危险。

He warned of a possibility of a new terrorist attack.

他警告说可能会有一次新的恐怖袭击。

He added that he had warned McLaughlin that three preventable accidents in one year could lead to his discharge, as indeed it should.

他补充说，他曾提醒过麦克劳克林，一年内发生三起可预防的事故可能会导致他被解雇，事实上也应该如此。

Mrs. Blount warned me not to interfere.

布朗特太太告诫我不要插手

"Don't do anything yet," he warned. "Too risky."

“先别行动，”他警告道，“太冒险了。”

According to the paper, the police are warning people especially pensioners not to admit anyone unless they have an appointment.

据报纸报道，警察警告人们，尤其是领养老金的人，除非有预约，否则任何人都不允许进入。

You should warn him you're going to be back late.

你应该提前告诉他你会晚回来。

The referee warned him for dangerous play.

裁判警告他有危险动作。