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Jyutping goi2 jin4 jik6 cit3
Pinyin gǎi xián yì chè

Definitions (Wiktionary)
  1. phrase, idiomatic
    to reform or revamp (a system or policy)
    (syn.) 改弦更張, 改弦更张

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Jyutping goi2 jin4 jik6 cit3
Pinyin gǎi xián yì zhé

Definitions (CC-CEDICT)
  1. change of string, move out of rut (idiom); dramatic change of direction
  2. to dance to a different tune
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to reform or revamp (a system or policy)
    (syn.) 改弦更張, 改弦更张
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)