衛生麻雀 [卫－－－]

Jyutping wai6 sang1 maa4 zoek2
Pinyin wèi shēng má què

Definitions (CC-CANTO)
  1. playing mahjong for fun and not for money
Definitions (Wiktionary)
  1. noun, Cantonese
    game of mahjong that does not involve gambling or involves only a small sum of money