cheat on

1. Used other than figuratively or idiomatically: see cheat, on.

   I was disqualified for cheating on my final exam.

2. (colloquial, idiomatic, transitive)To be unfaithful to, especially in a romantic relationship.

   Six years of a happy relationship, and then she had the nerve to cheat on me with a barman!

   betrügen

   изменя́тьizmenjátʹ, измени́тьizmenítʹ, обманыватьobmanyvatʹ

   зра́джуватиzrádžuvaty, зра́дитиzrádyty, наставля́ти ро́гиnastavljáty róhy

   be sexually unfaithful to one's partner in marriage

1. He cheated on the biology exam.

   Він списував на екзамені з біології.

   ruОн списывал на экзамене по биологии.

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2. Tom cheated on the history exam.

   На екзамені з історії Том списував.

   ruТом списывал на экзамене по истории.

   deTom hat beim Geschichtsexamen geschummelt.

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3. Your boyfriend is cheating on you.

   Твій хлопець тобі зраджує.

   ruТвой парень тебе изменяет.

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4. Tom cheated on Mary.

   Том зрадив Мері.

   ruТом обманывал Мэри.

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5. Tom cheated on the geology exam.

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irregular

• cheat onдурити, обманюватиUsed other than figuratively or idiomatically: see cheat, on.
• cheat outTo face or turn toward the audience more than would be natural, for instance in a staged conversation.