stand upon one's guard

stand upon one's guard

• 警惕，提防；警戒

• bath sheet
• suspend disbelief
• superexcellent
• cylindraceous
• seirs
• revenue-sharing
• madcappery
• drive wheels
• nonsuch
• Cumberland
• like a red rag to a bull
• God（或goodness 或heaven）knows
• teleplasms
• alizarin crimson
• hispid
• intermediate languages
• procurest
• oestrous cycle
• overrules
• microphotometering
• ultrastructurally
• at immense cost
• exposability
• electromagnetic mixing
• uranographic
• screen goddess
• splice
• talk someone's ear off
• physical data independence
• quick kick
• chunneller
• blow the expense
• volcanic breccia
• discrown
• magmatism
• Mizar
• sleep off
• crowdy
• little frog in a big pond
• sell someone a dummy
• Hofmannsthal, Hugo von
• sennights
• in its/their entirety
• skippering
• Liod
• Achilles group
• dark adaptations
• spathal
• data set
• round-the-clock emergency system
• eau douce
• clones
• Windsor soap
• ursaphobic
• get the laugh over someone
• strike a happy medium
• Umayyads
• rajidaes
• parkersburgs
• spiral staircase
• common alum
• brecciating
• osmic
• first off
• television cameras
• veterinary surgeons
• dynamogenous
• （as）bold as brass
• copacetic
• benzoyl peroxide
• have no bottom
• angwantibo
• sample functions
• antipastos
• web-eye
• revivor
• bursa of fabricus
• sit at (或in) conclave
• flavoproteins
• firebombers
• concaving
• take (an) interest in
• idiomaticness
• infill
• Doppler-shift
• Gabriel
• graving docks
• interwoves
• preoccupyings
• Daniell cells
• quale
• Shoran.
• counting glass
• under ordinary circumstances
• wavemeter
• allyls
• afaiks
• galvanometric
• overdiagnosing
• fianchettoed