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Jyutping jat1 jan4 dak1 dou6 , gai1 hyun2 sing1 tin1
Pinyin yī rén dé dào , jī quǎn shēng tiān

Definitions (Wiktionary)
  1. proverb
    when a man gets to the top, all his friends and relatives get there with him
  2. proverb
    once a man becomes an official, everyone he associates with reaps the benefits

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Jyutping jat1 jan4 dak1 dou6 , gai1 hyun2 sing1 tin1
Pinyin yī rén dé dào , jī quǎn shēng tiān

Definitions (CC-CEDICT)
  1. lit. when a man achieves the Dao, his poultry and dogs rise to Heaven (idiom)
  2. fig. to ride on sb else's success
  3. Once one man gets a government position, all his cronies get in too
  4. Once sb has cracked the problem, every Tom, Dick and Harry can do it