warn

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 |

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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。