someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')
例句
用作名词 (n.)
The murder was the act of a psychopath. 这次谋杀是精神变态者所为。
I mean he looks like a complete psychopath. 我是说,他长得就像是个超级变态狂。