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Jyutping paak3 maai6 hong2
Pinyin pāi mài háng

Definitions (Wiktionary)
  1. noun
    auction house; auctioneer

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Jyutping paak3 maai6 hong2
Pinyin pāi1mai4hang

Definitions (CC-CANTO)
  1. an auction house [written and colloquial]