Paul Newman officially announced his retirement from acting in 2007 - "It's pretty much a closed book for me," he said.
Fishing is a closed book to me.
It's no good talking to me about physics; it's a closed book to me.
The general examination for all levels shall be a closed book examination consisting of questions that cover the cross-section of the applicable method at the appropriate level.
If the court rejects the deal, much potentially useful information will remain, quite literally, a closed book.
Nuclear physics is a closed book to most of us.
A good book makes a man open for something, and a closed book has a gain.
Frank Spriggs was a very able man but something of a closed book.
"He is not interested in the amazing games, only playing on the Internet which was a closed book to him before.
The final is a closed book test, but you may bring a one-page outline to the exam to consult freely.
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