恨うらみを晴はらす

expression, godan verb (-su)

avenge oneself; get revenge; settle a grudge

Used when someone takes action to satisfy a long-held resentment or grudge, often implying a personal, emotional motivation rather than formal justice.

• 彼かれは長なが年ねんの恨うらみを晴はらすために復ふく讐しゅうを計けい画かくした。

  He planned revenge to avenge his long-held grudge.

• 試し合あいに勝かって、前ぜん回かいの敗はい戦せんの恨うらみを晴はらした。

  By winning the match, they avenged their previous loss.