bone up

1. (slang)To study or cram, especially in order to refresh one's knowledge of a topic.

   зубри́тьzubrítʹ

1. I have to bone up on my physics.

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2. The bones build up a skeleton.

   deDie Knochen bilden ein Skelett. — al_ex_an_der

   CC BY 2.0 FR · Tatoeba · joshodude_1308 · B1Open on TatoebaReport a problem

3. She'd better bone up on company policy.

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4. You should bone up on your French before your trip to Marseille.

   CC BY 2.0 FR · Tatoeba · darinmex · A1Open on TatoebaReport a problem

irregular

• bone upпереглянути, переглядатиTo study or cram, especially in order to refresh one's knowledge of a topic.
• bone outTo leave; to run away.
• bone downTo have sex with (someone).