shift your ground
US /ʃɪft jʊər ɡraʊnd/
UK /ʃɪft jʊər ɡraʊnd/

1.
changer d'avis, changer de position
to change your opinion or position on something
:
•
The politician had to shift his ground after public backlash.
Le politicien a dû changer d'avis après le tollé général.
•
She refused to shift her ground despite strong arguments against her proposal.
Elle a refusé de changer d'avis malgré de solides arguments contre sa proposition.