Bone Up : Phrases
To read about a subject, usually for exam purposes.
Not having attended any classes, Shawn thought that all he had to do was to bone up on his text book to ace the final exam.
The phrase is used mainly by students and goes back to one of the prime sources of pre examination last minute study - texts of literal versions of classic books produced by the firm of Bohn. Students had simply to Bohn up.
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