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Jyutping daa2 jyun4 zaai1 m4 jiu3 wo4 soeng2
Pinyin dǎ wán zhāi wú yào hé shang

Definitions (粵典–words.hk)
  1. 語句
    一個​人​幫​你​達​到​你​嘅​目的​之​後​就​即刻​撇​低​佢​唔​理
    to drop or dismiss someone after he has done his job; jettison one's benefactors as soon as one reaches one's goal; literally: to dismiss a Buddhist monk after he had done his service
  2. 近義詞
    過橋抽板、鳥盡弓藏,兔死狗烹
Definitions (Wiktionary)
  1. phrase, idiomatic
    to abandon someone after that person has helped to reach a goal
    (syn.) 念完经打和尚, 过桥抽板, 念完經打和尚, 過橋抽板
Definitions (Kaifangcidian)
  1. 念完經趕和尚 – 念完经赶和尚

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Jyutping daa2 jyun4 zaai1 m4 jiu3 wo4 soeng2
Pinyin dǎ wán zhāi n2 yào hé shang

Definitions (CC-CANTO)
  1. (slang) to describe someone who discards the gratitude to those who helped her/him; danger past, God is forgotten; once on shore we pray no more