be well up on something
be (not) well up on (something)
To be knowledgeable about a particular subject or issue. My sister did her thesis on robotic surgery, so she is very well up on healthcare technology. I'm not too well up on the policy changes happening this year—is there a reference guide I can consult?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be ˌwell ˈup on somethingknow a lot about something: Are you well up on the latest developments? ♢ She’s very well up on modern Chinese literature.
Farlex Partner Idioms Dictionary © Farlex 2017