孤こ立りつ牌はい

noun

isolated tile

In mahjong, a tile that is not part of any meld or pair and has no adjacent tiles within two ranks to form a sequence; often a lone honor tile or a suited tile separated from other tiles.

See also: 浮き牌

• 孤こ立りつ牌はいを切きって手てを整せい理りする。

  Discard isolated tiles to organize your hand.

• この孤こ立りつ牌はいは役やくに絡からまないので、早はやめに捨すてたほうがいい。

  This isolated tile doesn't contribute to any yaku, so it's better to discard it early.