【关于brain的地道英语表达】bean brain 笨蛋，白痴； rack one's brains 绞尽脑汁；brain trust 智囊团；beat someone's brains out 狠狠地打击某人； beat one's brains out (to do sth) 绞尽脑汁/竭尽全力做某事；be all brawn and no brains 头脑简单四肢发达；Brainwash 洗脑；Brain-dead 脑子不转了，脑子秀逗了