ベタオリ

noun

giving up on winning a hand and discarding only safe tiles

Mahjong term. When a player abandons their own winning chances and focuses solely on avoiding dealing into an opponent's hand by discarding safe tiles.

See also: おり

• 点てん棒ぼうが少すくないので、ここはベタオリに徹てっする。

  Since I have few points, I'll commit to giving up on winning and discarding only safe tiles here.

• ベタオリの判はん断だんが遅おくれると、放ほう銃じゅうの危き険けんが高たかまる。

  If you delay the decision to fold, the risk of dealing into a winning hand increases.