Usages of engañar
Él ha engañado a su novia con otra chica.
He has cheated on his girlfriend with another girl.
No sé por qué lo engañó.
I don't know why she cheated on him.
Si me engañara, rompería con él.
If he cheated on me, I would break up with him.
Ese vendedor engaña a los turistas.
That salesperson tricks the tourists.
A mí no me engañas: sé que estás triste.
You can't fool me: I know you're sad.
Rompió su promesa y me engañó.
He broke his promise and cheated on me.
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