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Jyutping gau2 teoi2 zi2
Pinyin gǒu tuǐ zi

Definitions (CC-CEDICT)
  1. dog's leg
  2. fig. one who follows a villain
  3. henchman
  4. hired thug
Definitions (Wiktionary)
  1. noun, colloquial, derogatory, figuratively
    running dog; lackey; cat's paw; person subservient to counterrevolutionary or evil interests
    (syn.) 同謀犯, 走卒, 同黨, 共犯, 幫兇, 同伙, 鷹犬, 同案犯, 狗腿, 爪牙, 同謀, 帮凶, 同谋, 同谋犯, 走狗, 同犯, 鹰犬, 同党, 同夥, 共謀, 共谋