be hard at it / work

be hard at it / work informalto be very busy doing something忙于干某事:•Sarah was hard at it on her computer.萨拉在计算机上忙着。

• mensch
• stag nights
• hang in doubt
• Luzon
• littlish
• thumping
• mummery
• kvar
• agonised
• Oliphant, Margaret Wilson
• Pacific slope
• take sb into your confidence
• trumpet marine
• science fiction
• put on a new record
• laggingly
• convey in sections
• ship's boat
• how do you do
• kudus
• Cevian line
• distaster
• caesium clock
• skeletony
• in bad faith
• such as it is/they are
• SEM
• live apart
• not have/stand a cat in hell's chance (of doing sth)
• boil with anger
• great toe
• tecnonymy
• Oscar Ⅱ
• Herring bodies
• Pleuroziaceae
• gall midge
• eggy
• a one, two, three, etc. horse race
• activated support
• overcapitalizes
• diminishingly
• barrel cactuss
• bandolero
• catamneses
• blocker
• turbidimetry
• barrel-ass
• succour
• to coin a phrase
• dipole radiation
• nocent
• air command
• ammoniated mercury
• creeping
• effortlessly
• aeq.
• radar reflector
• succoths
• choicers
• lead-ins
• un-un
• chemopreventives
• transmission-line current
• posterizing
• attraction-repulsion pattern
• adhesive cell
• capillary ejecta
• ozone friendly
• have the face to do something
• Sanit James
• adjoint operator
• hellfires
• roentgenised
• s.i.d
• powerboat
• Haba, Alois
• resonating cavity
• rcpt.
• leatherer
• on its last legs
• stubbies
• throw sb/sth into disorder
• Bollywood
• whizz kid
• fadeless
• fast talker
• eyen 或eyne
• prefocus
• speel
• effortless
• get wise
• yids
• give sth thought / attention / consideration etc
• burnet
• normalisations
• mystery shoppers
• iatrophysicist
• loci
• restorals
• route surveying