(Japanese mahjong) to complete one's hand within a single turn after declaring riichi (orthographic borrowing from Japanese 一発 "ippatsu")
trad. 一發
Also written 一發【yī fā】
(Japanese mahjong) to complete one's hand within a single turn after declaring riichi (orthographic borrowing from Japanese 一発 "ippatsu")
trad. 一發
Also written 一發【yī fā】