turned their back on
I turned my back on him.
Il a juste tourné le dos et il était parti.
He just turned his back and was gone.
Il m'a tourné le dos au moment où j'avais le plus besoin de lui.
He turned his back on me when I needed him most.
Tous mes amis m'ont tourné le dos.
All my friends have turned their backs on me.
Visiblement, Eywa t'a tourné le dos à toi, l'élu.
Apparently, Eywa has turned her back on you, chosen one.
— Avatar : La Voie de l'eau (2022)