mindmap root((努力)) effort often suggests a single action or attempt or persistent activity and implies the calling up or directing of energy by the conscious will: made the supreme ~ and crossed the finish line first. exertion may describe the bringing into effect of any power of mind or body or it may suggest laborious and exhausting effort: a job not requiring much physical ~. pains implies toilsome or solicitous effort by a conscientious agent: took ~ to do the job well. trouble implies effort that inconveniences or wastes time and patience: went to a lot of ~ to get the right equipment.



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原文: 【同义词辨析】 2020-04-16 努力effort-trouble (英语家园)

      【同义词辨析】 2020-04-16 努力effort-trouble (同义词网)

记忆: group effort mean the active use of energy in producing a result.