"Dangerous" 英语可以说成 "dangerous"，也可以写成 "dangerous"。
这个词来源于中世纪拉丁语 "dangerosus"，意思是"有危险的"。
例句：
That was a dangerous situation. (那是一个危险的情况。)
That dog is dangerous, you should stay away from it. (那只狗很危险，你应该远离它。)
The company is in a dangerous financial situation. (公司处于危险的财务状况。)