Idioms-Animals
Diana Ballenにより
1. Cat
2. arm
2.1. Give one's right arm : To say that you like sth very much
2.1.1. Ex. I would give my right arm to meet the president.
2.2. Keep someone at an arm's legth: To keep someone at distance
2.2.1. Ex. You can work with him if you want, but I would keep him at arm's lenght.