bang/run one’s head against a wall

bang/run one’s head against a wall做不可能办到的事;自找钉子碰：The businessman tried to borrow money from a miser，he was banging his head against a wall.那商人试图找吝啬人借钱，他是自找钉子碰。

• leg up
• berretta
• intercapped
• lose patience（或lose one's patience）
• nestoriuss
• bunnias
• Time of origin.
• Birchism
• manual word generator
• minatorily
• rinser
• brinell tester
• kick party
• listen with half an ear
• buckle defect
• nice-looking
• intervalometers
• Vte
• Pasteur-Chamberland filter
• well car
• ADL
• loiter over
• right now
• auger bit
• Rossby regime
• lymphoblastoma
• pull at sth
• loop circuit
• queeb
• direct-current power
• baste someone's coat
• hedge sparrows
• present perfect
• the mother of sth
• American system
• chromatic vision
• reapplying
• big timer
• or over
• entrenched in
• Leu.
• diapensialess
• dogmas
• dopamine β-monooxygenase
• glassworker
• casualists
• superglacial
• plunge into
• paleontologist
• tilly-vally
• circums
• strucken
• butle
• woodhouse
• put sb wise (to sth)
• electabilities
• slot aerial
• zoometrical
• bedspaces
• dysostosis
• chip ax
• have one's an ear to the ground
• cramming school
• Cointreau
• keep sb company
• Canada moonseed
• mortifications
• time and time again
• trichodermas
• defers
• patent anchor
• school-kids
• toleware
• caseworking
• gear up
• distrainment
• clingy
• toweling
• lucigen
• amotivational syndrome
• Rainey's corpuscles
• have a reputation for something
• inertia selling
• railbirds
• sign off on
• wink back
• Levitic
• obsolete information
• as in duty bound
• chloroguanide hydrochloride
• veillike
• chain block
• bindheimite
• metalled或-aled
• tap bolt
• leading note
• thyroglobulins
• chafflike
• cellular handset
• light-legged