The idiom "heart and soul" is used to describe a person who puts their whole energy, passion, and dedication into something or someone they deeply care about. It can also be used to describe a relationship, organization, or project that is characterized by intense devotion and commitment.

The idiom "keep promise" means to fulfill or honor one's obligations or commitments, especially when it is difficult or inconvenient to do so. It can also refer to being honest and trustworthy in general.

The idiom "pass the buck" means to shift responsibility, blame, or burden onto someone else, often by transferring an object (such as a dollar bill) from one person to another.

The idiom "birds of a feather flock together" means that people who have similar interests, personalities, or qualities tend to spend time with each other. It suggests that birds of the same species are attracted to one another and prefer to travel together in large groups.

The idiom "easy money" refers to money that is obtained without much effort or risk. It often implies a quick and effortless way to earn cash, such as stealing, cheating, or taking advantage of someone.