Well, if that isn't the stupidest thing I ever heard!啊，这简直是我听过的最愚蠢的事！That is just about the stupidest thing she has ever done.那差不多是她做过的最蠢的事。That is surely the stupidest thing I have ever done.那无疑是我曾做过的最愚蠢的事情。He's out and away the stupidest man I know.我认识的人当中显然数他最蠢。