移风易俗 yífēngyìsú to reform customs Origin Definitions Defs Strokes Stroke Words Sentences Sents 移 yí verb to change To change, alter, or transform (e.g., of one's nature, customs, or positions)风 風 fēng noun custom custom; social practice; general mood易 yì noun to change to change; to alter; to replace俗 sú noun custom (bound form) a social custom, convention, or habit