at the end of your rope

US /æt ðə ɛnd əv jʊər roʊp/
UK /æt ðə ɛnd əv jʊər roʊp/
"at the end of your rope" picture
1.

at the limit of your patience, endurance, or resources; desperate

:
After weeks of trying to fix the problem, I'm really at the end of my rope.
The constant demands from her boss left her feeling at the end of her rope.