warn
翻译
警告, 告诫, 通知
例句
They warned us about the storm.
他们就风暴向我们发出了警告。
I must warn you that it is dangerous.
我必须警告你，那很危险。
He warned her not to be late.
他告诫她不要迟到。
语法模式
warn ((sb.)) ((about/of sth.)) 警告（某人）关于（某事） They warned us about the storm.
warn ((sb.)) ((that...)) 警告（某人）… I must warn you that it is dangerous.
warn ((sb.)) ((not to-inf)) 告诫（某人）不要做某事 He warned her not to be late.
近义词
同义词: caution, advise, alert; 反义词: reassure, encourage
词源
源自古英语 'warnian'，意为“注意”或“发出危险通知”。
记忆技巧
将“warn”与“warning”（警告）联系起来记忆，它们词根相同。