隔行如隔山 Save Sign in to save words géhángrúgéshān ㄍㄜˊ ㄏㄤˊ ㄖㄨˊ ㄍㄜˊ ㄕㄢ different trades, worlds apart (idiom) to sb outside the profession, it is a closed book Character by character 隔(gé)separate 行(háng)row 如(rú)as 隔(gé)separate 山(shān)surname Shan A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0