入境随俗 rùjìngsuísú when in Rome, do as the Romans do Origin Definitions Defs Strokes Stroke Words Sentences Sents 入境 rùjìng verb + noun to enter a country To enter a country or territory; to pass through customs and immigration into a region随俗 隨俗 suísú to follow custom To follow local custom; to do as others do or conform to social conventions; often used in the idiom 入乡随俗 rùxiāngsuísú.