a shot in the arm
The phrase "a shot in the arm" is an idiom that means something that revitalizes or energizes a person or a situation. It refers to a metaphorical injection or boost of motivation, encouragement, or enthusiasm that helps to improve or reinvigorate someone's confidence, morale, or performance. It can also be used to describe a positive development or stimulus that brings new life or momentum to an organization, project, or endeavor.
English is confusing! Why do people say "Pardon my French" when they are speaking English? Because of idioms!
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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