冀贞贞的回答：

stupid 英?['stju?p?d] 　? 美?['stu?p?d] 　 副词:?stupidly? 比较级:?stupider? 最高级:?stupidest? 名词:?stupidness adj.愚蠢的；笨拙的；无聊的；乏味的 n.傻瓜 用作形容词 (adj.) What a?stupid?idiot! 真是个愚蠢的白痴！ I think he was born?stupid. 我认为他生来就愚笨。