light a fire under someone
The phrase "light a fire under someone" is an idiomatic expression used to describe the act of motivating or encouraging someone to take action, work harder, or move faster. It implies the need to ignite a sense of urgency, enthusiasm, or determination within a person to prompt them towards a specific goal or task.
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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