be well up in sth

be ˌwell ˈup in sthto know a lot about sth精通；熟悉He's well up in all the latest developments.他对所有的最新发展情况都了如指掌。

• cicatricose
• in posse
• triumphalism
• skarns
• get off the ground（或get something off the ground）
• cased
• cladogenesis
• ferash
• cupbearers
• yellow birch
• out of necessity
• perspective axis
• pass in a crowd
• conglobates
• have two left feet
• pick sb / sth ↔ out
• matter in hand
• polytropic compression curve
• principality
• bedsonia
• Ha gar
• in length
• passive hemagglutination
• dull-headed
• poltroonery
• crack
• kokanees
• gap year
• fallowing
• gentilisms
• black hawks
• self-critically
• distribution satellite
• paleopalynology
• skid fin
• Lari
• tea green
• mimicker
• be made of money
• overcompensation
• butyric alcohol
• win / lose by a whisker
• sock
• botch up
• apodous larvae
• energy
• drying oven
• kangaroo grass
• burden of proof
• bred in the bone
• slap in
• rockfish
• modom
• in a sweat
• gabbard
• four-by-fours
• minibars
• knock someone off his pedestal
• pull (或draw, make, put on, wear) a long face
• amidation
• leeways
• immunodeficient
• humidistat
• archaeological sequence
• bearbaiting
• conspued
• reflex klystron
• manual spinning
• safety chains
• zealot
• shoot out the lip
• sick list
• paraphernal
• deflationism
• hamstered
• balminesses
• congo
• superregeneration
• contraposed
• Lowry, Malcolm
• St. John's
• gangliosidosis
• tune something out
• voltaireans
• Carpenter, John Alden
• ice picks
• obols
• iridescences
• fool along
• pea ore
• phase angles
• isoetes
• interrupted aging
• indigests
• ski lift
• swan-flower
• master phonograph record
• antiphrastic
• sheet-fed
• shades of -