well up in (something)

Knowledgeable about a particular subject or issue. My sister did her thesis on robotic surgery, so she is very well up in healthcare technology.

See also: up, well

See also:

be well up on (something)
be well up on something
be well up in (something)
well up on (something)
be great on (something)
great on (something)
on the leading edge
know (one's) shit
go about to (do something)
have too much on plate

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