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Jyutping si1 bong1
Pinyin sī bāng

Definitions (CC-CANTO)
  1. to secretly traffick goods from one's company to set up a private side business [written and colloquial]
Definitions (粵典–words.hk)
  1. 區別詞
    打工​嘅​正​職​以外​自己​嘅​生意
    to run one's own business out of one's employer's office; literally: private gang
    • 你嘅私幫生意最近點啊?
      你嘅私帮生意最近点啊?
      nei5 ge3 si1 bong1 saang1 ji3 zeoi3 gan6 dim2 aa3?
      How's your own business (apart from your job) lately?
Examples (粵典–words.hk)
  1. Cantonese
    私帮 生意
    私幫 生意
    si1 bong1 saang1 ji3
    • one's own business apart from the concurrent job
  2. Cantonese
    你嘅私帮生意最近点啊?
    你嘅私幫生意最近點啊?
    nei5 ge3 si1 bong1 saang1 ji3 zeoi3 gan6 dim2 aa3?
    • How's your own business (apart from your job) lately?