點金成鐵 [ㄉㄧㄢˇ ㄐㄧㄣ ㄔㄥˊ ㄊㄧㄝˇ; dian3 jin1 cheng2 tie3] to transform gold into base metal (idiom); fig. to edit sb else's beautiful prose and ruin it ◄ ►