IdiomDaily LifeEnglish

catch someone red-handed

Meaning: To catch someone in the act of committing some offense.

Example: “The shopkeeper caught the boy red-handed with a chocolate bar in his pocket.”

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Origin: Dating from the 15th century, this idiom is a reference to the notion of killers being caught with the blood of their victims on their hands. The meaning later expanded to being caught in the act of any kind of wrongdoing.

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