1. [C or U] the possibility of harm or death to someone
危险，风险
Danger! Keep out!
危险！别进来！
He drove so fast that I really felt my life was in danger.
他的车开得太快了，当时我真的觉得自己会有生命危险。
The doctors say he is now out of danger (= is not expected todie although he has been extremely ill).
医生们说他已经度过危险期了。
the dangers of rock-climbing
攀岩的种种危险
2.[C] something or someone that may harm you
威胁；危险因素
Icy roads are a danger to drivers.
结冰的路面使司机面临危险。
The judge described him as a danger to society.
法官说他对社会构成了威胁。
3.短语：danger of sth;
the possibility that something bad will happen
…的危险性；发生（坏事）的可能
If there's any danger of seeing Gary at the party, I'm not going.
如果在聚会上有可能看见加里，那我就不去了。
If he carries on like this he's in danger of losing his job.
如果他再这样下去，就有可能失去工作。