空テン
Meanings
1
tenpai with all winning tiles visible on the table
In mahjong, a tenpai hand where every tile that would complete the hand is already visible among discards or melds, making it impossible to win. Also called 空聴牌.
See also: テンパイ
I ended up in karaten, so I can't win anymore.
He declared riichi without realizing he was in karaten.