The idiom "devil may care" refers to someone who is carefree or indifferent, often disregarding the consequences of their actions. It suggests a willingness to take risks and act without regard for potential negative outcomes.

The idiom "if you scratch my back, I'll scratch yours" is an expression used to convey that if someone does something nice for you or helps you out in some way, you will do the same for them.

The idiom "rank and file" refers to the average, ordinary members of a group or organization, who are not necessarily leaders or hold important positions. It represents the majority of people who follow the rules and regulations without question or complaint.

The idiom "betwixt and between" means to be caught or trapped between two opposing situations, decisions, or people. It can also mean being in a difficult position or being torn between two choices.

The idiom "ray of sunshine" is used to describe someone or something that brings joy, happiness, and positivity into one's life. It can refer to a person who is optimistic, cheerful, and kind-hearted, or an event or situation that brightens up one's day.