dangerous用法短语

　　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。