解鈴還須繫鈴人 [－铃还须系铃－]

Jyutping gaai2 ling4 waan4 seoi1 hai6 ling4 jan4
Pinyin jiě líng hái xū xì líng rén

Definitions (CC-CEDICT)
  1. lit. whoever hung the bell on the tiger's neck must untie it (idiom)
  2. fig. whoever started the trouble should end it
Definitions (粵典–words.hk)
  1. 語句
    比喻​問題​需要​當事​人​去​解決
    whoever started the trouble should end it
  2. 參看
    解鈴還需繫鈴人
Definitions (Wiktionary)
  1. phrase, idiomatic
    The only one who can fix the problem is the one who created the problem.
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    解铃还须系铃人。
    解鈴還須繫鈴人。
    jiě líng hái xū xì líng rén 。
    • To solve a problem, you must find the one responsible for it.