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Jyutping deoi3 tau4 jan4
Pinyin duì tóu rén

Definitions (Wiktionary)
  1. noun, Cantonese
    opponent; enemy; nemesis
    (syn.) 死對頭, 死对头

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Jyutping deoi3 tau4 jan4
Pinyin duì tou rén

Definitions (CC-CANTO)
  1. opponent