have your back against the wall
US /hæv jʊər bæk əˈɡɛnst ðə wɔl/
UK /hæv jʊər bæk əˈɡɛnst ðə wɔl/

1.
être acculé, être dos au mur
to be in a very difficult situation where you have few choices and are forced to do something
:
•
With the deadline approaching and no progress, we really have our backs against the wall.
Avec la date limite qui approche et aucun progrès, nous sommes vraiment acculés.
•
After losing his job and his home, he felt like he had his back against the wall.
Après avoir perdu son emploi et sa maison, il se sentait acculé.