have your back against the wall

US /hæv jʊər bæk əˈɡɛnst ðə wɔl/
UK /hæv jʊər bæk əˈɡɛnst ðə wɔl/
"have your back against the wall" picture
1.

走投無路, 背水一戰

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.
隨著截止日期的臨近,卻沒有進展,我們真的走投無路了
After losing his job and his home, he felt like he had his back against the wall.
在失去工作和家後,他感覺自己走投無路了