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Jyutping daai6 hyun1 zai2
Pinyin dà quān zǎi

Definitions (粵典–words.hk)
  1. 名詞
    由​中國​,​尤其​指從​廣州​嚟​香港​犯案​嘅​賊​;​大圈​就​即​係​廣州
    gangsters brought from the mainland to Hong Kong, especially Canton, to commit armed robbery; literally: "big circle boy"
  2. 近義詞
    省港旗兵

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Jyutping daai6 hyun1 zai2
Pinyin dà quān zǐ

Definitions (CC-CANTO)
  1. gangsters from southern China who goes to Hong Kong or Macau to commit crimes [colloquial]