insanity
🇺🇸
/ɪnˈsænəti/
🇬🇧
/ɪnˈsænəti/
a serious mental illness that makes someone unable to think or behave normally
The court decided he was not responsible for his actions due to insanity.
法院认定他因精神疾病而对自己的行为不负责任。
very foolish or dangerous behavior
Continuing to invest in that failing company is pure insanity.
继续投资那家濒临破产的公司纯粹是愚蠢至极的行为。