惩前毖后
chéng​qián​bì​hòu

learn from the past

  • created sense approved 惩前毖后/懲前毖後 · chéng​qián​bì​hòu · learn from the past

    惩前毖后 / 懲前毖後

    chéng​qián​bì​hòu

    learn from the past

    to learn from past mistakes to avoid future ones; to criticize former mistakes firmly to prevent them from happening again

    我们应当惩前毖后，确保同样的错误不再发生。

    idiom

    created sense