恨 - regret, bear a grudge, resentment

to bear a grudge against; to resent; to blame; to curse; to feel bitter towards

resentment; grudge; malice; bitterness

grudge; ill will; enmity

deep regret; great sorrow; bitter grief

to blame oneself

old grudge; old score

I regret that; I feel terrible but; I'm sorry but

many regrets; much sadness; much resentment; much bitterness

pent-up resentment; grudges and hard feelings

extreme regret; extreme sorrow; height of bitterness

to incur someone's enmity

grudge match