effort
单词辨析：
指做某事的尝试，尤含大量辛苦劳作或毅力。
It takes quite an effort to lift this heavy box.
抬起这只沉重的箱子很费力。
Your effort is bound to be rewarded.
你的付出一定会有所收获。
Everybody should make an effort to reduce pollution.
每个人都应为减少污染尽一份力。
指认真不懈的努力。
He has been working with diligence.
他一直勤奋地工作着。
Her diligence has set an example to us all.
她的勤奋为我们所有人树立了榜样。
指对困难或新鲜事物的尝试。
He made every endeavour to pay off the debt.
他尽一切努力还清债务。
My endeavours to bring about a settlement ended in vain .
我试图达成和解的努力全部落空了。
相关例句：
Finding a cure requires considerable time and effort.
找到治疗的办法需要大量的时间和精力。
It took an extraordinary effort to focus on preparing his classes or correcting his students 'work.
备课和批改学生的作业花费了他很多精力。
They've put in time and effort to keep the strike going
他们花费了很多时间和精力以使罢工持续下去。
I don't get lonely now because I make the effort to see people.
我现在不觉得孤独了，因为我尝试着与人交往。
He lifted the big rock without effort.
他毫不费力地举起了这块大石头。
The government is determined to spare no effort in investigating this case thoroughly
政府决定不遗余力地彻底调查这个案子。