set one's face like a flint

set one's face like a flint

• 下定决心；坚定不移；坚决，果断

• space probes
• donkey boy
• toothbilled
• Novocastrian
• beatinest
• barnyard millet
• Kingston upon Hull
• thin end of the wedge
• write down
• hoopman
• look as if one came out of bandbox
• make sad work of it
• fibroadenoma
• micropaleontology
• malleably
• bombed-outs
• pseudogenes
• down quarks
• gloom and doom candidate
• rookeries
• by the square
• Lissajous, Jules-Antoine
• abattoir
• regrated
• promise away
• ballismus
• cubiform
• lactophenol cotton blue solution
• someone had a good innings
• dieback
• teetotalling
• baby-faceds
• bobbysoxer
• cuckold
• buzz off
• dolmen
• stellar spectrum
• tempt God
• boatered
• shoot down
• potential motion of a fluid
• wally
• dirtier
• cross-eyed
• get to first base
• Barozzi, Giacomo
• have one's brain on a leash
• open-handedly
• viator
• wombat
• Pleiocene
• change over (from sth) (to sth)
• depurations
• sodium xanthogenate
• morel
• ignorant of
• twitteringly
• branching factor
• figureless
• gearwheel
• varoom
• off the map
• differential transducer
• Upper Mississippian
• on the hunt
• on good terms
• levirates
• force pump
• accoutring
• Tlemcen
• on the boards
• geomagnetics
• arterial roads
• opticians
• howl out
• manhelper
• mind the shop
• retrievals
• have the malt above the meal
• penutians
• upstepped
• angelus
• blue-green alga
• proving ring
• Gravettian
• ketohexose
• a conceited pup
• call instruction
• Iskander Bey
• Allen charges
• cross-furring ceiling
• definitizes
• obscurantist
• TEFS
• acclivities
• tele-tourism
• cucumbers
• Grashof formula
• sound man
• susceptiveness