be on / off duty

be on / off duty to be working or not working at a particular time, especially when you are doing a job which people take turns to do, so that someone is always doing it值班（值勤）/下班（不值勤）:•He's on night duty .他在值夜班。•Mary goes on duty (=starts working) tonight at half past ten.玛丽今晚十点半上班。•What time do you go off duty (=finish work) ?你什么时候下班？

• myelofibrotic
• nartjies
• take the liberty
• put out a feeler
• unwitty
• gelechiidaes
• lantern
• sulphatases
• plasmodiidaes
• apitoxin
• green turtles
• topicals
• put it out of someone's power to do
• metacercarial
• without strings
• be in the mood
• Chargaff's rules
• abashment
• Archaeocidaris
• post-cold warrior
• sugar basin
• progressive metamorphism
• nut driver
• Jordaens, Jocob
• reekings
• accompanying
• Squamish
• entoptic
• Madeiras
• be ill disposed towards
• Henry of Portugal
• kowtow
• shikars
• brats
• cipher
• summer camps
• with all one’s heart
• travels in the blue
• mastikas
• mock goose
• in good heart
• megrim
• demoralised
• morning
• psychrophyte
• falangisms
• bumper game
• bring sb face to face with
• motorboating
• pleacher
• novelese
• albumoses
• colorature
• Bernoulli Box
• figurable
• Mertensian mimicry
• sunflowers
• Hartley principle
• buybacks
• bastardise
• Cystoseiraceae
• sitting next to nelly
• childproofs
• have the advantage of
• ecumenical councils
• make a ... pile
• take up one's pitch
• optical recording
• fascists
• platycteneas
• lactiferousness
• nabber
• mediography
• attraction
• swine erysipelas
• paced
• miracles
• orrisroots
• hydrangea
• Ulanova, Galina Sergeyerna
• equinoctial tide
• obscurantic
• odonates
• pelviscope
• Lauritsen electroscope
• cue circuit
• burglarizer
• suspension method
• bobbled
• Special Olympian
• photosynthesises
• reelest
• for the moment/present
• not in any sense
• position of trust
• play sth ↔ down
• novelization
• faineancy
• logarithmic profile of velocity
• loaf cheese