to cheat on
- be sexually unfaithful to one's partner in marriage
- Did you cheat on me?
- Mary used her time machine to cheat on the exam.
- Don't you think it's wrong to cheat on an examination?
- Don't you ever cheat on me, you foxy!
- You ought to be ashamed to cheat on exams.
- You should on no account cheat in the exam.
- He knows how to cheat on his wife.
- We all consider it wrong to cheat on the test.
- If you cheat on me again, I definitely won't forgive you.
- The Commission observes that the fact that an undertaking may not happen to make profits on a certain commercial activity is no licence for it to enter into secret collusion with competitors to cheat customers and other competitors.