東風戦とんぷうせん

noun

east-only game; quarter-length mahjong game

A mahjong game consisting of only the East round, typically half the length of a standard game.

from Chinese

• 時じ間かんがないので、今日きょうは東風とんぷう戦せんだけにしましょう。

  Since we don't have much time, let's just play an east-only game today.