Read Edit View history 积重难返 jīzhòngnánfǎn deep-seated Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 积重难返/積重難返 · jīzhòngnánfǎn · deep-seated 2026/03/04 积重难返 / 積重難返 jīzhòngnánfǎn deep-seated ingrained habits are hard to overcome (idiom); bad old practices die hard 这些问题积重难返，短期内很难完全解决。 idiom created sense Mar 4, 2026, 02:25 AM