Reach the end of (one's) rope

Translation of "reach the end of (one's) rope" into Russian

After months of dealing with the never-ending problems, she reached the end of her rope.

После месяцев решения нескончаемых проблем, она достигла предела своего терпения.

To be at the limit of one's patience, endurance, or resources; to be unable to cope any longer with a difficult situation.