輕ㄑㄧㄥqīng重ㄓㄨㄥˋzhòng倒ㄉㄠˋdào置ㄓˋzhì

  1. 倒，顛倒。置，放置。輕重倒置指將重要與不重要的位置或事情顛倒。《明史·卷一八九·孫磐傳》：「夫女誣母僅擬杖，哲等無罪反加以徒，輕重倒置如此，皆東廠威劫所致也。」似本末倒置、本末顛倒、捨本逐末

英to invert the importance of things (i.e. stress the unimportant and neglect the important)​, lacking a sense of perspective, to put the cart before the horse