“The manufacturer, on the ropes for years, is projecting a 50% sales increase this year.” Note: This phrase refers to a boxer that is about to collapse on the ropes around the boxing ring.
At the end of one’s rope
To be desperate or to lack patience
“Katsuya-san is at the end of her rope; she has interviewed for 17 jobs but has no offers.”
Know the ropes
To have knowledge of something
“We need a project manager that really knows the ropes or we’ll never meet the deadline.”
Show someone the ropes
To train someone
“Let’s ask Saito-san to show the new secretary the ropes; she knows better than anyone how this office works.”
Rope in
To control, to limit
“We need to rope in the design costs or we’ll not have enough money left for marketing.”