placarding

Used as a warning to watch out for a potential source of danger, as at a construction site.

危险警告如在建筑工地上用作警告以提醒注意潜在的危险源

Hazard warning sign. You can reconfigure the sign indicate various hazard types.

危险警告标志。您可以重新配置该标志，以表示各种危险类型。

Study on the Post Sale Duty to Warn in American Torts Law;

美国侵权法上的售后危险警告义务研究

advance dangerous bend warning plate

预告危险弯道警告牌

He‘s warned me of the danger.

他警告我注意危险和风险和危险性。

The doctor alerted him to the danger of smoking.

医生警告他吸烟的危险。

forewarn a person of the danger

事先警告某人有危险

He was warned of the danger.

他已得到有危险的警告。

I cautioned him against the danger.

我警告他防备危险。

The policeman admonished him of the danger of driving too fast

警察警告他开快车的危险。

Foresight. Psionic senses warn you of impending danger.

预警术：灵能感官向你警告迫近的危险。

sound a note of alarm/danger/warning

发出警报[危险信号/警告信号]

I tried to warn him of the danger, but he was determined to get his own way.

我试图警告他有危险,可是他一意孤行。

I tried to warn him of the danger , but he is determined to get his own way

我试图警告他有危险,可是他一意孤行

A flashing red light that alerted motorists to trouble ahead.

闪烁的红灯警告摩托车手前面有危险

SIGMET [warnings of hazardous weather to aircraft]

向航机发出的危险天气警告

forewarn a person that it may be dangerous to swim here

事先警告某人在这里游泳可能有危险

an automatic signal (usually a sound) warning of danger.

警告危险的自动信号（通常是一种声音）。