O [-记]

Jyutping O gei3
Pinyin o jì

Definitions (Wiktionary)
  1. name, Cantonese, Hong-Kong, colloquial
    the Organised Crime and Triad Bureau (a bureau of the Hong Kong Police Force)

O [-]

Jyutping ou1 gei3
Pinyin o jì

Definitions (粵典–words.hk)
  1. 名詞、俚語、香港
    香港​警察​有​組織​罪案​及​三合​會​調查​科​嘅​簡​稱
    the Organised Crime and Triad Bureau of the Hong Kong police
  2. 近義詞
    反黑組
Definitions (Kaifangcidian)
  1. 有組織罪案及三合會調查科 – 有组织罪案及三合会调查科