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Jyutping daa2 gaa2
Pinyin dǎ jiǎ

Definitions (CC-CEDICT)
  1. to fight counterfeiting
  2. to expose as false
  3. to denounce sb's lies
Definitions (Wiktionary)
  1. verb
    to combat the production and sale of counterfeit products
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 法律與犯罪:臺
    取締仿冒
  2. 法律與犯罪:陸
    打假