及物动词
1. 提醒;警告
If you warn someone about something such as a possible danger or problem, you tell them about it so that they are aware of it.
2. 警告，告诫(不要做…)
If you warn someone not to do something, you advise them not to do it so that they can avoid possible danger or punishment.
3. 小心;提防
If someone says to you 'be warned', they are advising you to be cautious, because there are risks that you may not have thought about.
1. notify, usually in advance
e.g. I warned you that I would ask some difficult questions
2. ask to go away
e.g. The old man warned the children off his property
3. notify of danger, potential harm, or risk
e.g. The director warned him that he might be fired
The doctor warned me about the dangers of smoking
4. admonish or counsel in terms of someone's behavior
e.g. I warned him not to go too far
I warn you against false assumptions
She warned him to be quiet
Synonym: discourageadmonishmonish