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Jyutping gok3 si1 kei4 zik1
Pinyin gè sī qí zhí

Definitions (Wiktionary)
  1. phrase, idiomatic
    each person attends to his or her own duties
    (syn.) 各盡其職, 各尽其职
Examples (粵典–words.hk)
  1. Cantonese
    各司其职
    各司其職
    • each performs its own functions / duties
Examples (Wiktionary)
  1. Mandarin
    各司其职
    各司其職
    gè sī qí zhí
    • each person performs his own function