turned their back on
Pourquoi est-ce qu'elle m'a tourné le dos ?
Why did she turn her back on me?
— Le Petit Soldat (1963)
Il a juste tourné le dos et il était parti.
He just turned his back and was gone.
Tous mes amis m'ont tourné le dos.
All my friends have turned their backs on me.
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.
I turned my back on him.
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)