be under arms

be under ˈarms(formal)to have weapons and be ready to fight in a war处于备战状态；严阵以待；枕戈待旦

• be down on one’s luck
• bone turquoise
• tsaritza
• phosphor bronzes
• x-terminals
• (just) say the word
• iarovise
• speech area
• metoestrus
• Furry theorem
• crucible
• pedodontist
• conspirational
• anisodactylous
• minimizations
• individ.
• hitch one's horses together
• beauty quarks
• american standard code for information interchanges
• heartily
• dawdle over
• translatress
• Albians
• stub ... out
• tow truck
• frameshift
• firing table elevation
• air hoist
• nunc stans
• well-spaceds
• thrombo-
• hay
• DIP switch
• zoogenic
• stagflations
• in sail
• Baker
• store up trouble / problems etc
• jacket size player
• a brick short of a load, two sandwiches short of a picnic, etc.
• endurableness
• rete cord
• social mobility
• old yellow enzyme
• opponent
• ride shank's mare
• spider's web
• chinagraphs
• nephrotoxicities
• Echo.
• blow ... away
• a foregone conclusion
• dial telephone
• Douala
• deactivating group
• Sixth generation
• filamins
• pyes
• aitchbones
• n-valeraldehyde
• sloganizing
• lacrimal canaliculus
• oestrone
• bushel(l)er
• safety-nets
• in sync (with sth / sb)
• labeller
• a TV / sports etc junkie
• beat time
• Libermanism
• baronetizing
• albinoisms
• without compare
• termorrer
• dbl
• insoluble salt
• fikish
• disuniting
• white cow
• Marconi rig
• forest-green
• bantustans
• silicules
• in security
• have a hand like a foot
• proofmark
• basho
• egotisms
• clear the coast
• Behind
• hon.
• stay put
• Euxine Sea
• s.
• aminopeptidases
• triskelions
• cerecloth
• religiosities
• best wishes
• rotors