n.疯子,癖好者,狂人,躁狂者
adj.发狂的,狂热的,疯狂的
My mum is turning into a religious maniac.
我妈妈正在变为一个宗教狂热分子。
The cabin looked as if a maniac had been let loose there.
小屋看上去像是被疯子在那撒过野一样。
That man is a homicidal maniac.
那人是个杀人狂。