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Jyutping zok3 daai2
Pinyin zuò dǎi

Definitions (Wiktionary)
  1. verb
    to do evil; to commit atrocities
Examples (粵典–words.hk)
  1. Cantonese
    佢群埋班黑社会四围为非作歹。
    佢群埋班黑社會四圍為非作歹。
    keoi5 kwan4 maai4 baan1 haak1 se5 wui2 sei3 wai4 wai4 fei1 zok3 daai2.
    • He became close with triad gangsters to do evil everywhere.
Examples (Wiktionary)
  1. Mandarin
    为非作歹
    為非作歹
    wéi fēi zuò dǎi
    • to do evil