"On the ropes" is a colloquial term passed from boxing competitions, where a contestant was groggy, and holding onto the ropes round the ring for support. The implication is of being overcome, of weakness and distress.
This is an old sailing term. If you knew your ropes, you knew which rope on a sailing ship would do which task, and you were a good and experienced sailor. Nowadays, you say that any experienced person "knows the ropes."
The ropes mean that the person was trained by orochimaro
Charro
Yes, blueberries can be frozen for long-term storage.
Yes, pickles can be frozen for long-term storage.
Glacier
Yes, walnuts can be frozen for long-term storage to maintain their freshness and prevent spoilage.
It means to stop the horse with the ropes.
It means: insruct you on the details.
Yes, nuts can be frozen for long-term storage to extend their shelf life and maintain their freshness.
"To fly of the handle" is the correct term.