as scarce as hen's teeth

as scarce as hen's teeth

• • 极其稀少
  • [美国口语]像母鸡的牙齿那样稀有；很稀有的，极罕见的

• get one's ice legs
• Eucestoda
• flotage
• some little time
• finfish
• forgetting
• gentleman of the pad
• oaring
• conscription
• aero-engine
• unjustness
• come to blows
• pay in
• Lagrange, Joseph Louis Comte
• lie low
• sea quake
• fire bells
• ready reckoners
• chatcom
• electrophysiological
• up top
• seeds of sth
• Ndebeles
• idioplasms
• Vietvet
• devour one's heart
• proletarianism
• princeliness
• Tacoman
• warming-up
• scent-marking
• ophiological
• electrical length
• boot up
• phosphorescing
• azimuth tables
• Scribe, Augustin Eugene
• clastation
• succinic acid 2, 2-dimethyl hydrazide
• sth doesn't bear repeating
• Esthonian
• double-stops
• have place
• ultramarathon
• force
• Braille
• podosporas
• straddle milling
• flocculence
• barefacedness
• Milesian tale
• cephalometry
• thermal springs
• dimwit
• costed
• set to work
• gunning
• half one's time
• skymotel
• keep a/the lid on sth
• linear induction motor
• the buzz
• portholes
• obsecrate
• kovnoes
• stump up
• blue-corn chips
• penloaves
• paycheck
• depressed area
• suedehead
• letter of advice
• you live and learn
• ketimines
• tea planter
• carboxyl terminal
• Gallicanist
• with an iron hand
• Iliadic
• phymata
• self-sown或self-sowed
• schmutters
• novelettist
• broadminded
• recovery ship
• be among the missing
• dressmakings
• hatch
• the Land of Promise
• Comstockery
• u.s.o
• hemoglobin
• compleat
• habit-formings
• complementaries
• frets
• catfights
• short residuum
• exceptionality
• Hiranuma kiichiro