The idiom "know the ropes" means to have a thorough understanding or knowledge of something, especially in regards to its procedures, practices, or ways of doing things. It can also refer to being familiar with a certain situation or set of circumstances.

The idiom "blazing row" means a straight line or path of destruction that leads to chaos, disorder, or devastation. It can also refer to a situation where two people, groups, or entities are in a state of conflict and competition, resulting in a fiery and intense confrontation.

The idiom "a dime a dozen" means that something is very common, easily available or abundant. It suggests that the item is so widely distributed that it's almost like you could buy it for a dime (a low price) if it was still valuable.

The idiom "crowning glory" refers to something that is the greatest achievement or accomplishment of a person or organization. It's often used to describe a moment of triumph, success, or recognition that outshines all others.

The idiom "no man is an island" means that people cannot exist or thrive in isolation from others. It emphasizes the importance of social interaction, support, and community in our lives.