老账 (老賬) lǎozhàng

lǎozhàng noun old account; old debt; old scores to settle; old quarrels; old grudge
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '老賬')

Contained in

• 翻老账(翻老賬) to turn over old accounts; to revive old quarrels; to reopen old wounds