by / through trial and error

by / through trial and error if you do something by trial and error, you test many different methods of doing something in order to find the best反复试验〔以得出最佳效果〕:•I learned most of what I know about gardening through trial and error.我的大部分园艺知识都是通过反复摸索得来的。

• travelling rug / clock etc
• inconclusives
• myeloplegia
• multidialectal
• meson
• Cherokee
• canned music
• codetext
• off-the-shelf software
• infant school
• play agent
• Fletcher-Munson curve
• with the best will in the world
• slip sth ↔ in
• Retrograde Amnesias
• gain / win / earn sb's confidence
• Alemanni
• pneumatic-shod
• second cousin
• inebriates
• dodo
• scrub-bird
• oligophrenias
• dorgis
• swink
• Krakatau, Krakatoa
• autodidactically
• waffle-weave
• take the measure of sb’s feet
• pealest
• amphipod
• hallucinator
• Tarrytown
• stick one's neck out
• bone phosphate of lime
• endoscopists
• explanator
• sleazebags
• talk (或 speak) a mile a minute
• Van Atta array
• pyroelectricity
• inadaptation
• monoskis
• Ptolemy
• P.P.C.
• Medici, Maria de'
• beam -engine
• cymbiform
• make a place warm for someone
• litmus milk
• areology
• spliter
• external anal sphincter
• in（或in the）spirit
• dorymen
• bilge piece
• keep a good heart
• duodecimal number system
• light-operated switch
• set sail
• dash off
• zambra
• teleset
• enduringnesses
• overclothess
• homotaxic
• Gordioidea
• Dixon
• coordinating
• -acy
• culminant
• wire wool
• innumerableness
• vegetablize
• gnaw a file
• quenelle
• make it a rule (to do sth)
• float process
• have (got) another think coming
• mineral soil
• by head and ears
• nontronite
• lepantoes
• gange
• decolorised
• prime cost
• round of toast
• with a vengeance
• Medal of Freedom
• alopecia areatas
• pappiest
• Makkah
• pseudoglobulin
• unpopular
• denicotinizing
• Kachin
• export-production-first policy
• wingiest
• pantographs
• tuts