dangerous用法短语
dangerous for对…有危险；
dangerous to对…有危险；
dangerous effects坏作用；
extremely dangerous极其危险
例句
It is dangerous to walk on thin ice in a lake.
在湖中薄冰上行走是很危险的。
Dangerous driving should be severely punished.
危险驾驶应受严惩。
It is dangerous for you to stay here.
你呆在这儿不安全。
I need hardly tell you that the work is dangerous.
这工作很危险，这就不用我说了。