closed book
closed book
Meaning: something that one knows or understands nothing about.
Example: I’m afraid that this new physics formula will always be a closed book to me.
clear the decks ❯❮ out of the closet
Idiom of the Day
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closed book
Meaning: something that one knows or understands nothing about.
Example: I’m afraid that this new physics formula will always be a closed book to me.
clear the decks ❯❮ out of the closet
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