revenge oneself on someone—(also: avenge oneself on someone) get even with a person in return for an offence or injury inflicted on oneself:
- This poor youth revenged himself on his malicious rival by marrying the young lady.
revenge someone—(also: avenge someone) get satisfaction for an offence or injury done to another person:
- When the news is brought to Achilles he swears never to taste food until he has revenged his friend.