Definition & Meaning of "I wish"in English

What is the origin of the idiom "I wish" and when to use it?

The idiom "I wish!" is thought to have originated from the expression of desires and dreams. It is commonly used to express a longing or a wish for something that is currently unattainable or unlikely. This phrase is used when someone wants to emphasize their inability or lack of a certain skill, talent, or opportunity in a somewhat playful or self-deprecating manner.