prevail on
US /prɪˈveɪl ɑːn/
UK /prɪˈveɪl ɑːn/

1.
persuader, convaincre
to persuade someone to do something
:
•
We finally prevailed on him to join our team.
Nous l'avons finalement persuadé de rejoindre notre équipe.
•
She tried to prevail on her parents to let her go to the party.
Elle a essayé de persuader ses parents de la laisser aller à la fête.