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to read somebody like a book
01
to be able to easily understand what someone is thinking about or what their intention is
![to [read] {sb} like a book definition and meaning](https://cdn.langeek.co/photo/44850/original/?type=jpeg "to [read] {sb} like a book definition and meaning")
Idiom
InformalWhat is the origin of the idiom "read someone like a book" and when to use it?
The idiom "read someone like a book" likely comes from the idea that just as you can read the words in a book to understand its contents, you can "read" or understand a person by observing their actions, expressions, and behaviors. This expression is used to describe the ability to understand or perceive someone's thoughts, feelings, or motivations easily and accurately, often based on their behavior or body language.
例
She's very perceptive and can read people like a book, which makes her a great judge of character.
