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Jyutping faa1 faa1 coeng4 zi2
Pinyin huā huā cháng zǐ

Definitions (Wiktionary)
  1. noun
    trick; scheme
    (syn.) 坏水, 壞水, 花招

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Jyutping faa1 faa1 coeng4 zi2
Pinyin huā huā cháng zi

Definitions (CC-CEDICT)
  1. (slang) a cunning plot