warning

名词 warning:

1. a message informing of danger
2. cautionary advice about something imminent (especially imminent danger)
   同义词：admonition, monition, word of advice

动词 warn:

1. notify of danger, potential harm, or risk
   同义词：warn
2. admonish or counsel in terms of someone's behavior
   同义词：warn, discourage, admonish, monish
3. ask to go away
   同义词：warn
4. notify, usually in advance
   同义词：warn

形容词 warning:

1. serving to warn
   同义词：admonitory, cautionary, exemplary, monitory

1. No one has given out a warning of the imminent danger.
   没有人对即将发生的危险发出警告。
2. The police are warning (motorists) of possible delays.
   警方通知(驾驶汽车的人)交通可能受阻。
3. Even as he shouted the warning the car skidded.
   就在他高喊注意的时候，汽车滑动了。
4. The sirens sounded an air-raid warning.
   汽笛响起了空袭警报。
5. They attacked without a warning.
   他们不宣而战。

warn.ing

n.（名词）
An intimation, a threat, or a sign of impending danger or evil.
预兆：即将到来的危险或邪恶的恐吓、威胁或迹象

Advice to beware.
警言：提醒注意的建议
Counsel to desist from a specified undesirable course of action.
告诫：使结束某项特定的不受欢迎的行为的劝告
A cautionary or deterrent example.
警告或前车之鉴
Something, such as a signal, that warns.See Synonyms at alarm
警报：能起警告作用之物或事，如信号参见 alarm
adj.（形容词）
Acting or serving to warn:
作出警告的：
例句：
a warning light; warning words.
警灯；告诫之言

【引伸】
warn.ingly
adv.（副词）