大三元 [－－－]

Jyutping daai6 saam1 jyun4
Pinyin dà sān yuán

Definitions (粵典–words.hk)
  1. 名詞、術語
    麻雀​牌型​一種​，​要用​紅中​、​發財​、​白板​各​碰​一次​，​另加​任意​上​或​碰牌​一副​、​眼一​對​；​又​被​稱​為​三元及第
    (in mahjong) Great Dragons Hand - a formation of 3 triplets (pongs) on all 3 Dragon tiles (Red, Green and White), adding last meld of Chow or Pong of any suit, and a pair of eyes; literally: big top 3 exam candidates
Definitions (Wiktionary)
  1. noun
    a winning hand with melds of all three dragon tiles