is cheating on
Si pero ella no me está engañando, ¿no?
Yes, but she's not cheating on me, right?
— हम दिल दे चुके सनम (1999)
Yanni está engañando físicamente.
Yanni is physically deceiving.
Your boyfriend is cheating on you.
Sami sabe que Layla lo está engañando.
Sami knows that Layla is cheating on him.
Yanni está engañando físicamente a Skura.
Yanni is physically cheating on Skura.
Sospecho que su esposa lo está engañando con el cartero.
I suspect his wife is cheating on him with the postman.
Presiento que ella me está engañando.
I have a feeling she's cheating on me.