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up on something, be

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Be well informed or up-to-date about something, as in I'm not up on the latest models of cars. [Colloquial]

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Words nearby up on something, be

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use up on something, be in a sentence

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