be (not) well up on (something)

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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?
See also: on, up, well

be ˌwell ˈup on something

know a lot about something: Are you well up on the latest developments?She’s very well up on modern Chinese literature.
See also: on, something, up, well
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