hard at it

hard at it informal busily working or occupied 〈非正式〉忙得不可开交： they were hard at it with brooms and mops. 他们忙着用扫帚和拖把打扫卫生。

• etatist
• a gale / gales of laughter
• switchback
• bitterweed
• spread over
• emils
• file-management system
• benger
• mackintosh
• beating-up
• SHOW cases
• South Dakotans
• cariess
• Volsung
• postaccelerating electrode
• protogine
• lead wool
• Apia
• bvas
• deracializations
• indecent exposures
• brain-damageds
• on the sidelines
• adult contemporary
• get your name on the score sheet
• dizoic
• screwer
• doctor for
• open-ended
• sconces
• endodyne
• sugged
• vocalising
• tenon
• forest reserves
• craftsmen
• have the pull of
• minor key
• phosphor tin
• banjo hits
• syndetically
• xenomorphic
• sapwoods
• infectious myxomatosis
• RVR
• commensurabilities
• synfuels
• appropriation reserve
• immunoglobulin domain
• bolus alba
• agnatical
• tabanidaes
• cancrinites
• acanthocytosis
• parson bird
• veranillo
• underconsolidation
• milksops
• laryngaphone
• technocomplex
• urtication
• in reward of
• Foamy Viruses
• catalytic dehydrogenation
• potoo
• autobrecciation
• push in
• buffalo bug
• metrostaxis
• rfe
• slip between one's fingers
• spin the bottles
• precedence
• branchiopodan
• prolatives
• Aplysia
• lie-bys
• Scythia
• aspergation
• bkpt.
• light-year
• stickleback
• labour force
• pipe dream
• colombians
• tax point
• Electronic Directory
• mean power
• fair market values
• not care a fig for
• piss-tin
• exsanguinations
• telecentric stop
• African golf
• toe slipper
• wall of partition
• orthostatic hypotensions
• to sb’s excitement
• claval
• latitudinarian