warn/wɔːn/

vt

1. 警告

• The old man warned us of danger. 那位老人警告我们有危险。

• The man was warned against smoking in the building. 那个人被告知不许在大楼内抽烟。

2. 预先通知

• Uncle Lee warned us that he would arrive late. 李叔叔曾提醒过，他要晚一点到达。

vi 警告

• “Be careful of the step,” she warned. “当心台阶!”她警告说。