to persuade her
Traté de persuadirla en vano.
I tried to persuade her, but in vain.
Él espera persuadirla para que haga lo que él quiere.
He hopes to persuade her to do what he wants.
Finalmente logramos persuadirla.
We finally managed to persuade her.
Él intentó persuadirla.
He tried to persuade her.