根深蒂固 gēn shēn dì gù

gēn shēn dì gù set phrase deep-rooted; deeply ingrained
Domain: Idiom 成语
Notes: Variant of 深根固柢 (CC-CEDICT '根深蒂固'; CCI '根深蒂固', pp. 93-94; Guoyu '根深蒂固')