- [uncountable]
the state of being insane 精神失常；精神错乱；精神病 Extra ExamplesHamlet feigns insanity to disguise his bloody motive. 哈姆雷特佯装疯癫，掩饰自己的血腥动机。 His lawyer got him off on an insanity plea. 他的律师以精神失常为由成功地为他作了无罪辩护。
Oxford Collocations Dictionaryadjective- total
- temporary
- plead
- feign
- stop
- …
- defence/defense
- plea
- by reason of insanity
- [uncountable] (also insanities [plural])
actions that are very stupid and possibly dangerous 十分愚蠢的行为；荒唐的行为 It would be sheer insanity to attempt the trip in such bad weather. 天气这么糟糕还要去旅行，太荒唐了。 Congress has one option to stop this insanity. 议会有一个办法阻止这一疯狂行为。 But the show does capture the various insanities and absurdities of his life. 但这部剧确实捕捉到了他生活中的各种疯狂和荒谬。
Word Originlate 16th cent.: from Latin insanitas, from insanus, from in- ‘not’ + sanus ‘healthy’.