insanity

柯林斯詞典

1. N-UNCOUNT Insanity is the state of being insane. 精神錯亂
...a psychiatrist who specialized in diagnosing insanity. …一位專門診斷精神錯亂的精神病學家。
2. N-UNCOUNT If you describe a decision or an action as insanity, you think it is very foolish. 荒唐的決定; 極端愚蠢的行為[表不滿]
...the final financial insanity of the 1980s. …20世紀80年代財政上最后的荒唐舉措。