be up in

be up in

• • 熟悉，精通：

    You ought to be well up in children's diseases as you have studied them for eight years.

    你对儿科疾病研究已有8年，按理应该很精通了。

  • [口语]熟悉；精通，擅长

• transfer constant
• spiral nebula
• Sperry, Roger Wolcott
• squeeze sth out of/from sb
• blue-sky laws
• power forwards
• set a butterfly
• esthetic
• Ekman spiral
• institutionally
• self-executings
• Aser
• thread guide
• tripton
• jump into bed with
• circle vision
• toolhouse
• chondroclast
• impermeable
• consternating
• disorderlies
• object plane
• phosphocreatines
• exponential series
• convexness
• average delay
• rd
• protonium
• deep palmar arch
• convention
• residual ionization
• operetta
• orthogonalization
• feuilletonist
• foam rubber
• soda-lime
• booers
• sand lily
• the best
• trannie
• archrival
• house martins
• cast a lurid light upon
• keep sth dark
• Judson, Edward Zane Carroll
• ink-cap
• reproductive system
• mathematizes
• vulnerableness
• simply ordered set
• storeship
• service dress
• take-off point
• header bond
• epidemic roseola
• minimum firing current
• frame
• walleyed pollack
• helmless
• fauvisms
• arcuation
• tractile
• Nibelungs
• protoenstatite
• enantiotropic substance
• lawsons
• puzzlehead
• off-hook service
• fiefdoms
• anchormanese
• press cutting
• effacest
• rat.
• Birchers
• Monocyathea
• belshazzars
• the equator
• foxy
• bilaterals
• glottals
• Bopp, Franz
• afibrinogenemias
• posets
• hajji
• geras
• a sleepless night
• shushers
• mixologists
• thegnly
• collenchymatous
• epistases
• gigahertzes
• foam extinguisher
• handcraftman
• prologising
• leaf-cutter bee
• semiattached
• sokemen
• airsides
• cajoled