痛改前非 (tòng gǎi qián fēi) — to sincerely mend one's ways; to thoroughly reform

Definition

A formal chengyu meaning to thoroughly repent and reform past wrongdoings. 痛 conveys the depth of regret; 非 refers specifically to one's former mistakes.

verb
to sincerely mend one's waysto thoroughly reform

Examples

  • 痛改前非
    Tā chū yù hòu jué xīn tòng gǎi qián fēi, chóng xīn zuò rén.
    After getting out of prison, he was determined to sincerely mend his ways and start anew.
  • 痛改前非
    Wǒ jué dìng tòng gǎi qián fēi, bú zài làng fèi shí jiān.
    I decided to thoroughly reform and stop wasting time.
  • 痛改前非
    Jīng guò zhè cì jiào xùn, tā tòng gǎi qián fēi, nǔ lì gōng zuò.
    After this lesson, he sincerely mended his ways and worked hard.

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