無む念ねんを晴はらす

expression, godan verb (-su)

take revenge; avenge; settle a score

Used when someone avenges a grudge or regret, often in the pattern 〜の無念を晴らす (avenge someone's regret).

• 彼かれは兄あにの無む念ねんを晴はらすために戦たたかった。

  He fought to avenge his brother's regret.

• ついに無む念ねんを晴はらすことができた。

  I was finally able to settle the score.