仇 (chóu): 미움.

Because the father had been cheated out of all his savings by a neighbor years ago, the two families formed a deep hatred and had not interacted for over a decade.

He was abused by his stepmother from a young age, and a deep hatred for her took root in his heart; even after growing up, he could never forgive her.

That war took the lives of her entire family; she harbored a deep-seated hatred for the enemy that she could never forget for the rest of her life.

Although they had once become enemies due to a business dispute, they met again at a gathering years later and finally shook hands and made peace.

He is narrow-minded; if someone accidentally says the wrong thing, he bears a grudge and always wants to find a chance for revenge.