[mass noun]the possibility of suffering harm or injury 危险 his life was in danger. 他有生命危险。 ■[count noun]a person or thing that causes or is likely to cause harm or injury 危险人物(或事物) ■the possibility of something unwelcome or unpleasant 危险,威胁 there was no danger of the champagne running out. 香槟酒没有会被喝完的危险。 ■(Brit.)the status of a railway signal indicating that the line is not clear and that a train should not proceed (英)(铁路信号)危险示意,前方有险
常用词组 in danger of
likely to incur or to suffer from 处于…危险之中 the animal is in danger of extinction. 这种动物濒临灭绝。
out of danger
(of a person who has suffered a serious injury or illness) not expected to die (重伤或重病者)脱离危险期
语源
Middle English: from Old French dangier, based on Latin dominus 'lord' The original sense was 'jurisdiction or power', specifically 'power to harm', hence the current meaning 'liability to be harmed'