1ADJ [usually verb-link ADJ]精神错乱的;精神失常的;疯狂的 Someone who is insane has a mind that does not work in a normal way, with the result that their behaviour is very strange. 精神错乱的;精神失常的;疯狂的
Some people simply can't take it and they just go insane.
一些人完全承受不了,结果就精神失常了。
Agnes was a battered woman who had killed, in self-defense, while temporarily insane.