turn against
US /tɜːrn əˈɡenst/
UK /tɜːrn əˈɡenst/
1.
se retourner contre, se liguer contre
to become hostile to someone or something; to betray or oppose
:
•
After the scandal, many of his supporters turned against him.
Après le scandale, beaucoup de ses partisans se sont retournés contre lui.
•
The public might turn against the new policy if it causes too many problems.
Le public pourrait se retourner contre la nouvelle politique si elle cause trop de problèmes.