win back
US /wɪn bæk/
UK /wɪn bæk/

1.
reconquérir, regagner
to get back something that was lost, especially support, trust, or a position
:
•
The team is determined to win back the championship title.
L'équipe est déterminée à reconquérir le titre de champion.
•
It will be difficult to win back the trust of the public after the scandal.
Il sera difficile de regagner la confiance du public après le scandale.