warn
[wɔ:n]
vt.警告, 告诫, 预先通知
vi.发出警告
例句与用法：
He warned us against pickpockets.
他告诉我们要小心扒手。
I warned them that there might be snakes in the woods.
我提醒他们树林里可能有蛇。
He warned me against going there at night.
他警告我晚上不要到那去。
词形变化：
名词: warner | 动词过去式: warned | 动词过去分词: warned | 动词现在分词: warning | 动词第三人称单数: warns |
详细释义：
vt.
1. 警告; 告诫; 提醒[(+of/against)][O2][O5]
He warned me against going outside alone at night.
他提醒我晚上不要单独出去。
The police warned us not to go out at night.
警察告诫我们夜间不要出门。
They warned him of the danger.
他们警告他有危险。
2. 预先通知[(+of)][O5]
The weather station warned that a hurricane was coming.
气象台预报飓风即将来临。
vi.
发出警告; 发出预告
短语词组：
warn off
1. 警告……不得靠近
The road was closed to traffic after the accident, and the police were warning everyone off.
道路在车祸后被封闭, 警察警告大家不得靠近。