仇 - foe, enemy, revenge

foe; enemy; rival

deep rivers move in silence; shallow brooks are noisy; those who know little talk much

Pardon makes offenders

to do (someone) a wrong; to do (someone) an ill turn; to take revenge

to repay meanness with kindness

mutual enemies

to backfire; to have a harmful result

bitter enemy

retaliation; revenge

to return evil for good; to return a favour with spite (favor)

revenge; bitter enemy

vengeance; revenge; retaliation