be an ass for one’s pains

be an ass for one’s pains徒劳无功;枉费心机：A businessman has calculated market supply and demand for a long time，but he still sustains losses in his business，he is really an ass for his pains. 一个商人对于市场供需计算了很长时间，但他的买卖仍然赔了钱，他真是枉费心机。

• gunyah
• imagists
• labializations
• encrust with
• gamelans
• cradler
• sportsmanships
• inappreciatively
• clinamens
• prepare something for someone
• tastant
• D.Agr
• r's或Rs
• creeping jennies
• edgingly
• anchor bolts
• be in leading strings
• talk a blue streak
• perpetrated
• succulence
• Goniopora
• Hezbollah
• in being
• wood lilies
• sapotaceaes
• exposed
• cut and pasted
• ply the acid on
• short measure
• embog
• venosity
• dwt.
• bring sth to naught
• resonant line
• Niger-Kordofanian
• saltate
• out of （或beyond） reach
• sister hook
• matins
• put the touch on
• adsorption
• delta ray
• avestans
• stand for
• Jer.
• diffusion of innovation
• kerrs
• maladroit
• dorsal suture
• documentary body
• verifiabilities
• send a message
• at someone's doorstep
• eurhythmics
• MSCD
• coquettishly
• surplus labour
• bmrs
• mental institutions
• to to speak the sooth
• aperture plate
• make two bites of a cherry
• hold one's sides
• ferri-
• Palaeocopida
• tape recordings
• terrain exercise
• make a bolt for it
• optical measurement
• lawbreaking
• bear evidence of
• put on the appearance of
• high commission
• alethic
• gun down
• Fitchburg
• toll board
• Slovak Crown
• Sandalwood oil
• individualizers
• variorum
• ungovernableness
• star finder
• geastraceaes
• hold power over
• leg spin
• ruiner
• circulates
• (and) deservedly so
• earringed
• assonance
• refect
• alpha-hypophamine
• maggotries
• columnar ice
• right stages
• functional autonomy
• Euryalina
• birkie
• as black as a crow