n.疯子，狂人，精神错乱者，严重精神病患者(现为冒犯语)
adj.疯狂的，荒唐可笑的，极其愚蠢的

原形：lunatic复数：lunatics

The man on the street corner, shouting about alien invasions, was widely regarded as a lunatic.
街角那个大喊外星人入侵的人被广泛认为是个疯子。
Some people believe that genius and lunacy are two sides of the same coin.
有些人认为天才与疯狂是同一枚硬币的两面。
The lunatic asylum used to be a place where people with severe mental illnesses were housed, often under inhumane conditions.
以前的疯人院是用来收容严重精神病患者的场所，条件往往很不人道。
His wild, unpredictable behavior earned him the nickname "Lunatic Larry" among his coworkers.
他那狂野、不可预测的行为使他在同事中赢得了“疯狂拉里”的绰号。
The lunatic fringe of the political party advocates extreme and often dangerous ideas.
这个政党的极端边缘群体倡导极端且常常危险的思想。
She felt like she was living in a lunatic asylum when her entire family was quarantined at home during the pandemic.
疫情期间，当她全家都被隔离在家时，她感觉自己好像住在一个疯人院里。
The escaped lunatic caused panic in the neighborhood before being apprehended by the police.
那个逃出的疯子在被警方抓获前引起了社区的恐慌。
His raving speech at the conference was so absurd that many thought he had become a complete lunatic.
他在会议上发表的狂言乱语如此荒谬，以至于许多人认为他已经完全疯了。
The lunatic laughter echoing through the abandoned hospital sent chills down our spines.
废弃医院里回荡的疯狂笑声让我们脊背发凉。
It's said that the old mansion is haunted by the ghost of a lunatic who died there mysteriously.
据说那座老宅被一个在那里神秘死亡的疯子的鬼魂所困扰。