knee

knee-high to a duck/mosquito 很小的;微不足道的：It is something knee-high to a duck，we should not waste our time on that.那是微不足道的事，我们别把时间耗费在它上面。

• area search
• lose credit with
• restrictionary
• expensiveness
• straight beam
• ignition key
• cyaneous
• nsas
• frangible
• rimation
• fatigued
• plebs
• easy as could be
• snuggles
• Omagh
• task programmer
• if ever there was one
• like bricks
• separatories
• org
• embezzlers
• curr
• effective thermal resistance
• LU
• conductional
• transobuoy
• minuteman
• glad hander
• electioneerers
• thermojets
• tattooers
• staticss
• play one's(或 the) cards
• cytoecological
• monotint
• floscule
• khamseen
• mercaptoethanols
• speed bump
• have （或 have grown） whiskers
• hydrolyzer
• scammonies
• reckoning
• automaticity
• get a swollen head
• for fun
• cutters
• jigaboos
• mononucleate
• cook-up
• synephrine
• PB
• cotton picker
• cost / pay / charge the earth
• underwool
• civilities
• singular corresponding point
• Akil
• ahemmed或ahemed
• lie over
• double moding
• pulper
• maderization
• get to the first base
• Schlemm's canals
• demoiselle cranes
• thread on the neck of
• psychoactivity
• glaiket
• coleseed
• phosphides
• malie
• killing zone
• microphotometric
• powderinesses
• staphylokinase
• gregales
• strike an upbeat note
• margin release
• falconer
• mols
• up to the minute
• roadheads
• epiengeosyncline
• thin-film storage
• cross-utilize
• cleavingly
• biteable
• crazy like a fox
• snonetist
• chimney sweeps
• piperazine dihydrochloride
• duoden-
• (at) full blast
• disproportionately
• good deals
• load master
• culturette
• micromachine
• intervene in