- 陈规陋习 chénguīlòuxí outmoded customsoutmoded conventions and bad habits; old-fashioned ways
- 陈规旧习 chénguījiùxí old rules and customsstereotyped or outmoded practices; outdated habits and traditions
- 墨守陈规 mòshǒuchénguī to stick to old rulesto stick to established practices; to be conservative or hidebound