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effort/
'εfət
/
1.noun [u]
(energy) 努力
a waste of effort
白费力
2.noun [c]
(attempt) 尝试
It was a good effort.
这是个很好的尝试。
3.noun [u/s]
(physical/mental exertion) 费力
It was an effort to concentrate.
费劲地集中精力。
to make an effort to do sth
努力做某事
with an effort
费力地
