The idiom "pass away" is used to describe the act of dying, as well as the state of being deceased or departed from this world. It's a common way of expressing condolences and sympathy to someone who has lost a loved one.

The idiom "Rome was not built in one day" is used to suggest that a project or task cannot be completed overnight, or that it takes time and effort to achieve success. The phrase originated from the myth of Romulus, who supposedly built the city of Rome singlehandedly in just 80 days.

The idiom "sleep on" means to wait or delay taking action until a better opportunity presents itself, or not to worry about something because it will be sorted out later.

The idiom "come again" is primarily used to request that someone repeat a statement or utterance. It can be used to clarify misunderstandings or to seek confirmation. The phrase may also be used sarcastically to express disbelief or surprise at what someone has just said.

The idiom "call the shots" is a popular expression used in many contexts, including business, sports, and military operations. It means that someone has the power to make decisions or take charge of a situation. In other words, they are the ones who are in control.