noun
winning hand with the score doubled twice
A mahjong term for a hand that qualifies for two separate yaku, each doubling the score, resulting in a fourfold increase.
彼はリャンファンヤクを上がって一気にトップに立った。
He won with a hand that doubled the score twice and suddenly took the lead.
A unit of scoring in mahjong; 二翻 means two han, which doubles the score twice.
From Chinese 兩番役 (liǎng fān yì), literally 'two-double hand', adopted into Japanese mahjong terminology.