B1 [ C or U ] physical or mental activity needed to achieve something气力;精力;努力
[ C ] the result of an attempt to produce something, especially when its quality is low or uncertain(尤指不理想的或难以确定的)结果
C2 to be difficult, tiring, or boring to do做…很难(费劲、乏味等)
More examples
A considerable amount of time and effort has gone into this exhibition.
Everyone ought to make the effort to vote.
It was a real team effort - everyone contributed something to the success of the project.
He's obviously making a special effort to be nice to me at the moment.
He hauled himself over the wall, grunting with the effort.
noun¹
noun²
noun
rather
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