What does 'Closed book to me' mean?
If a subject is a closed book to you, it is something that you don't understand or know anything about.
- Category: General
Idioms similar to 'Closed book to me'
- By the book
- In my book
- Every trick in the book
- Take a leaf out of someone's book
- Open book
- Throw the book at someone
- Close the book
- Oldest trick in the book
- Don't judge a book by the cover
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