know the ropes to know how to do all the parts of a
job, deal with a system, etc. because you have a
lot of
experience with it.
show somebody the ropes to teach someone how to do a
job or deal with a system. [
ex - This is Shirley's first
day, so will you show her the ropes?]
be at the end of your rope to have no more patience or strenght
left to deal with a
problem or a difficult
situation.