怪け我が負まけ

noun

losing accidentally; defeat due to a mistake

Used in competitive contexts when a loss is caused by one's own error or bad luck rather than the opponent's superior skill. Often seen in sports or games.

• あの試し合あいは完かん全ぜんに怪け我が負まけだった。

  That match was a complete accidental loss.

• うっかりミスで怪け我が負まけしてしまった。

  I lost accidentally because of a careless mistake.