look for a needle in a bundle of hay

look for a needle in a bundle of hay草捆中寻针;大海捞针;徒劳无益：What the man did was to look for a needle in a bundle of hay，he could not draw any benefit no matter how hard he did it.那人所做的事是大海捞针，无论他多么努力，一点益处也没有。

• a millionaire's mite
• sodium cyanides
• round the bend/twist
• plain work
• fire sale
• double expansion
• slew-foot
• nondirectives
• wool oil
• blotchy
• pineta
• geoisotherms
• topographical
• assume the mask of
• federals
• police states
• mahatmas
• anti-intellectualistic
• Breeches Bible
• arms of alliance
• gelatine
• reticulohistiocytoma
• Hematomyelias
• idle wheel
• warm something up （或 〈美〉over）
• desulfurization unit
• point refueling
• valorously
• detraction
• Carnot, Nicolas Leonard Sadi
• rialtos
• slouchier
• endocrinopathic
• keep in leash
• link together
• be golden
• Jolivet, Andre
• fireflies
• hydrodynamic pressure
• radioscopical
• carbonises
• lay ... off
• back out
• titaniums
• routemarches
• seed driller
• consideration
• down zoning
• eat a peck of salt with someone
• original interstice
• from the bottom of one's heart
• radar marker
• grow moss
• prescaler
• compensated-loop direction finder
• anhedron
• demand staging
• electropolish
• PLP
• beurre blanc
• doggishly
• eggheaded
• foveolae
• kinetic theories
• grimacings
• nidification
• brake harrow
• external-mix oil burner
• Perron-Frobenius theorem
• Day of Judgment
• in concert with
• boiler-plate
• ghost dances
• milchigs
• the watches of the night
• be on bail
• casualize
• thermoforming
• voice synthesizing board
• exceptional space
• learn your lesson
• soln
• The odds are that
• line voltage
• enc.
• galangal
• hystero-
• hold-over command
• hoglike
• cytoscreener
• basaltic hornblende
• compulsives
• strettas
• thistle glass
• peripheral depression
• force someone to his knees
• crack it
• eyewash
• state description
• gastric influenza