基本解释n.哑铃n.傻瓜；笨蛋同根派生 英汉例句用作名词 (n.)Somebody must think he was dumb.有人会认为他是一个傻瓜。There is no need to fasten a bell to a fool.不需要给傻瓜系铃铛。Sometimes he really acted like a dumb noodle.有时，他表现得真像一个笨蛋。