insane /inˈsein/ adj. 1.()精神病的,疯狂的:He went insane from the tragedy. 他因那件惨事而发疯。 2.蠢极的,荒唐的:It’s completely insane to fly in this weather. 在这种天气飞行完全是发疯/太荒唐了。


Insanity n. 精神错乱:[考句] The lady in this strange tale very obviously suffers from a serious illness. Her plot against a completely innocent old man is a clear sign of insanity. 这个奇特的故事中的女子很显然患有严重疾病,她与一个完全无辜的老人的那段情节清楚地显示了她的精神错乱。