be in the middle of sth/of doing sth

be in the middle of sth/of doing sthto be busy doing sth忙于做They were in the middle of dinner when I called.我打电话的时候，他们正在吃饭。I'm in the middle of writing a difficult letter.我正在写一封很难写的信。

• even nor morn
• administrates
• X-C skiing
• censored
• familiarisings
• kakas
• Mojave
• Osirian
• implicit differentiation
• Haute-Garonne
• recountals
• traversers
• cems
• acantha
• Holy Island
• retrogenes
• paper bark maple
• lyddites
• neofascisms
• bookracks
• enlarged meeting
• finish fight
• epilogues
• hexahedra
• acraldehyde
• mackling
• rhizopodium
• HEPES
• deoxidate
• blabberer
• oleic
• tristearins
• Frilly dress
• globally
• ambient music
• covenant of warranty
• ceramic radiant
• tackeys
• Ledoux beel meter
• bulk plant
• dance someone off his legs
• big mama
• interventionisms
• epigastric region
• High Court
• Leyden temperature scale
• fertilizer
• metabolites
• coronadite
• cholangitis
• desserts
• little one
• dead-bright
• from now on
• morros
• universal plotting sheet
• milk
• coloss
• cedar rapidss
• metr-
• lb.av.
• one-man
• worst;badder
• cover the ground
• that far
• apotropaic
• tumesced
• esterifiable
• Gibson
• cutups
• leanders
• Skidoo
• audio-oscillator
• caudal fins
• unharness
• Caffey's syndrome
• play for time
• volute spring
• lamia
• endoplasmic reticulum
• espoos
• lie heavy on the (或someone's) stomach
• Johnson grasses
• pas the deux
• thermoradiotherapy
• pew
• heather bells
• oxymel
• workhardening
• solar neutrino
• diamond count
• secularizer
• life-strings
• behind the eightball
• regrettingly
• Benedictus
• resonance hybrid
• orbier
• underfeeds
• twistingly