Idiom Breakdown

take a leaf out of someone's book

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Definition

To adopt an idea or practice of another person.

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In Context

"Let every youth take a leaf out of my book and make it a point to account for everything that comes into and goes out of his pocket, and like me he is sure to be a gainer in the end."

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Also Said As

borrow a leaf out of someone's book
rip a page out of someone's book
rip a page out of someone's playbook
take a page out of someone's book
take a page out of someone's playbook