| 刻骨 | kè gǔ | ingrained / entrenched / deep-rooted | ![]() |
| 积重难返 | jī zhòng nán fǎn | ingrained habits are hard to overcome (idiom) / bad old practices die hard | ![]() |
| 苦大仇深 | kǔ dà chóu shēn | great bitterness, deep hatred (idiom) / deeply ingrained long-standing resentment | ![]() |
| 习以成性 | xí yǐ chéng xìng | deeply ingrained / steeped in | ![]() |
| 苦大仇深 | kǔ dà - chóu shēn | (idiom) great bitterness and deep hatred / deeply ingrained long-standing resentment | ![]() |
