idiocy
🇺🇸
/ˈɪdiəsi/
🇬🇧
/ˈɪdiəsi/
Very stupid behavior.
Going outside without a coat in a snowstorm is pure idiocy.
在暴风雪中不穿外套就出门是纯粹的愚蠢。
Something very foolish or senseless.
The idiocy of his decision to invest all his savings in one stock was clear to everyone.
他把所有积蓄都投资在一只股票上的决定显然是愚蠢的。