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Jyutping ham2 diu6 cung4 lin6
Pinyin kǎn diào chóng liàn

Definitions (Wiktionary)
  1. phrase, Taiwan, figuratively, idiomatic, slang
    to start again from zero, to go back to square one

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Jyutping ham2 diu6 cung4 lin6
Pinyin kǎn diào zhòng liàn

Definitions (粵典–words.hk)
  1. 語句、潮語
    重頭​嚟​過​;​源自​於​遊戲​之中​若果​角色​培養​得​太差​,​部份​玩家​會選擇​直接​刪除​角色​,​重新​開一個​角色​嚟​練
    to start all over again
    • 觀塘個規劃太差,要成個砍掉重練。
      观塘个规划太差,要成个砍掉重练。
      gun1 tong4 go3 kwai1 waak6 taai3 caa1, jiu3 seng4 go3 ham2 diu6 cung4 lin6.
      Urban planning of Kwun Tong is too bad, it needs to be started all over again.
Examples (粵典–words.hk)
  1. Cantonese
    观塘个规划太差,要成个砍掉重练。
    觀塘個規劃太差,要成個砍掉重練。
    gun1 tong4 go3 kwai1 waak6 taai3 caa1, jiu3 seng4 go3 ham2 diu6 cung4 lin6.
    • Urban planning of Kwun Tong is too bad, it needs to be started all over again.