事半功倍

参考释义

事半功倍[shìbàngōngbèi]

• -yield[get]twicetheresultwithhalftheeffort;Bydoinghalfthework,onewillgetdoubletheresult.;gettwofoldresultswithhalftheeffort;halftheworkwithdoubleresults:

  Everythingmustbecarefullyexaminedbeforeweact,thentwiceasmuchcanbeaccomplishedwithhalftheeffort.事情要考虑周详以后再动手，才能够事半功倍。