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Jyutping daai6 gai2
Pinyin dà jì

Definitions (粵典–words.hk)
  1. 名詞
    大​俥​,​船上​機房​總管
    chief mate, chief engineer of a vessel
  2. 名詞
    地​盤​嘅​機​器​維​修​員
    engineer or mechanic (at a construction site)

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Jyutping daai6 gai6
Pinyin dà jì

Definitions (CC-CANTO)
  1. chief officer (seaman)