ㄅㄨˇㄆㄧㄢpiānㄐㄧㄡˋjiùㄅㄧˋ

  1. 矯正偏差疏漏補救弊害缺點元史··祖本》:興利除害補偏救弊。」

to remedy defects and correct errors (idiom)​; to rectify past mistakes
(expr. idiom.)​ rectifier ses erreurs, paix