本性难移 běnxìngnányí essential nature Definitions Defs Origin Strokes Stroke Words Sentences Sents 江山易改，本性难移 jiāngshānyìgǎi, běnxìngnányí innate nature It is easier to change mountains and rivers than to alter one's character; an idiom suggesting that one's fundamental nature or personality is very difficult to change.
