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Jyutping tou3 sei2 gau2 paang1
Pinyin tù sǐ gǒu pēng

Definitions (CC-CEDICT)
  1. lit. to boil the hound once it caught the rabbit (idiom)
  2. fig. to get rid of sb once he has served his purpose
Definitions (Wiktionary)
  1. phrase, idiomatic
    to get rid of somebody once they have served their purpose
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)