惩前毖后

懲前毖後
chéngqiánbìhòu
idiom

Meanings

  1. 1 to learn from past mistakes to avoid future ones
  2. 2 to take past errors as warnings
  3. 3 to criticize past wrongs to prevent recurrence

Examples

Wǒmen zǒngjié jiàoxun, chéngqiánbìhòu, bìmiǎn zài fàn tóngyàng de cuòwù.
We sum up the lessons learned, treat past errors as warnings, and avoid repeating the same mistakes.
Gōngsī kāihuì jiù shìgù zhǎnkāi le chéngqiánbìhòu de tǎolùn.
The company held a meeting to analyze the accident in a 'learn-from-the-past' spirit.
Duìdài cuòwù yào běnzhe chéngqiánbìhòu, zhìbìngjiùrén de fāngzhēn.
Mistakes should be handled with the principle of learning from the past and curing the patient to save the person.

Tips

history
From 《··》: — I take warning from this and guard against future trouble. One of the oldest idioms in active use.
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Frequently paired with 治病救人 in formal/Party-style discourse about handling mistakes — strict review without destroying the person.

Stroke Order

chéng
qián
hòu