drive a wedge between someone
US /draɪv ə wɛdʒ bɪˈtwin ˈsʌmˌwʌn/
UK /draɪv ə wɛdʒ bɪˈtwin ˈsʌmˌwʌn/

1.
semer la discorde entre, créer un fossé entre
to cause disagreement or hostility between people
:
•
His lies began to drive a wedge between the two friends.
Ses mensonges ont commencé à semer la discorde entre les deux amis.
•
The new policy could drive a wedge between management and employees.
La nouvelle politique pourrait créer un fossé entre la direction et les employés.