adj.疯狂的;精神病的;非常愚蠢的;
例句:
Robert lost his mind and was committed to an insane asylum.
罗伯特神经错乱,给送进了疯人院.
After Jane finds out Mr. Rochester has an insane wife.
简发现罗切斯特先生有个精神失常的妻子之后.
For an instant he was insane, a screaming animal.
他刹那间丧失了神志, 成了一头尖叫的畜生.