"Knows like a book" is a colloquial expression that describes someone's deep level of familiarity or extensive knowledge about a particular person, subject, topic, or situation. This idiom often implies that the individual can anticipate or accurately predict the actions, thoughts, or outcomes associated with the subject matter, to an extent that resembles reading a well-known book.
Derived from the metaphorical association between the act of reading a book and understanding its contents thoroughly, "knows like a book" suggests a high level of expertise, awareness, or familiarity. It conveys the idea that the person has acquired detailed knowledge or experience over time, enabling them to effortlessly navigate, comprehend, or interpret various aspects of the subject matter.
This expression can be used to describe someone's profound understanding of another person's habits, likes, dislikes, or personality traits, implying an ability to predict their behavior accurately. It could also refer to someone's extensive knowledge about a particular subject, indicating a deep understanding of its intricacies or nuances. Additionally, the phrase can highlight an individual's comprehensive comprehension of a situation, enabling them to anticipate or assess its likely outcomes with great accuracy.
Overall, "knows like a book" conveys the concept of a person possessing exceptional familiarity and understanding in a particular area, emphasizing their ability to predict, interpret, or navigate the subject matter with ease, as if they were reading from a book they know intimately.
