to suit her book
- idiom
- UK
- This plan suits her book perfectly.
Examples
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She agreed to the schedule changes because they suited her book.
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I hope this arrangement suits her book.
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Find an arrangement that will suit your book and let me know.
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The new policy didn't suit his book, so he voiced his concerns.
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She adjusted her plans to ensure they would suit her book for the project.
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The new timeline was made to suit her book and accommodate her schedule.
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He prioritized tasks that suit his book to maximize his chances of success.
Synonyms
To be good for someone's needs or plans
How Convenient
Surface Forms
Morphology
Although 'suit' alone means 'to fit' and 'her' is a clear possessive, the use of 'book' to mean 'plans' or 'interests' is not a literal or predictable sense of the noun for an average B1 learner. The overall meaning ('to match her plans/interests') is idiomatic and relies on a non-transparent sense of 'book', so learners knowing the literal constituents would likely not infer the intended sense.
Etymology
Suit her book may come from old shopkeepers who kept a book to write down all deals; when a deal suited the book, it matched their records and plans. So it now means 'match or be convenient for one's own plans'.