be alert to sth

be alert to sth to know about or understand something, especially a possible danger or problem警觉某事:•The authorities should have been alert to the possibility of invasion.当局早就应该认识到入侵的可能性了。—alertness noun U

• set sth↔off
• pep
• Warta
• monaural sound
• happy medium
• comoro islandss
• accoutres
• primary-cares
• oak-beauty
• symmetrical clipper
• candescences
• simultaneous equations
• weanedness
• rente
• besants
• T slot
• unmeeting
• acaroid resin
• soda niters
• rumbaing
• triga
• bestrewed或bestrewn
• save your breath
• ensconce
• Moorman
• one and all
• to say the least
• structuralized
• Pearson, Lester Bowles
• on second thought
• not a hundred miles at
• tyuyamunite
• rise in someone's the estimation of someone
• portable computers
• adenylating
• think through
• line management
• grown-diffused transistor
• critical function
• rabidnesses
• terra cotta
• maputoes
• dyushambes
• isocracking
• shearlings
• left rudder
• generalizabilities
• cockaignes
• graphic operation
• for the high jump
• end of message
• underdone
• noun adjunct
• for size
• mandarin
• subsidiary rights
• at sb's behest
• data mining
• bolection
• double over
• witness mark
• Rayleigh ratio
• bioenergies
• reperforating
• leading aircraftman
• by herself
• feel-good factor
• radio autopilot coupler
• momzer
• molests
• nebraskas
• lefty
• sermonisers
• decorate for
• look about one
• colorimetrists
• plate basket
• letters of administration
• baluchithere
• coracoid process
• keep one's hand on
• woolgatherings
• ring the bells backward s
• workaholisms
• buntons
• shape in with
• biblio-
• take a flight
• a mixed blessing
• spiral-jaw clutch
• secondary cell
• streetlamps
• dynamic correction
• demagoguing
• Mcf
• moisture
• cluster analysis
• dollar-overhang
• cup-case thermometer
• theobromines