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Jyutping ceoi2 zi1 mou4 gam3
Pinyin qǔ zhī wú jìn

Definitions (Wiktionary)
  1. phrase, idiomatic
    Synonym of 取之不盡,用之不竭/取之不尽,用之不竭 (qǔ zhī bù jìn, yòng zhī bù jié, “(of resources) inexhaustible”).
    (syn.) 取之不尽, 取之不盡, 用之不竭