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Jyutping zi6 baa2 zi6 wai4
Pinyin zì bǎ zì wèi

Definitions (粵典–words.hk)
  1. 動詞
    淨​係​依​自己​心意​話​事​,​唔​顧​其他人
    to only take into account one's own desires when making a decision
  2. 近義詞
    自作主張
Definitions (Wiktionary)
  1. verb, Cantonese
    to make decisions by oneself, without or disregarding input from others
    (syn.) 自作主张, 自作主張
Definitions (Kaifangcidian)
  1. 自作主張 – 自作主张
  2. 自行其是
  3. 獨斷獨行 – 独断独行
  4. 不聽人勸 – 不听人劝
  5. 自以為是 – 自以为是
  6. 大拿大主

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Jyutping zi6 baa2 zi6 wai4
Pinyin zì bǎ zì wéi

Definitions (CC-CANTO)
  1. to decide all by oneself without consulting or listening to the advice of others