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加倍努力
1、concerted efforts───共同努力
2、dei efforts───努力的结果
3、spearhead efforts───带头努力
4、rescue efforts───救援工作
5、spearheaded efforts───带头努力
6、efforts───n.努力；转向力（effort的复数）
7、culminated efforts───最终的努力
8、efforts to───努力
9、redoubled───v.（使）再加倍；变得更大（或更强）；（桥牌）对方加倍后再加倍（redouble的过去式及过去分词）；adj.大大增强的
1、Spurred by the cheers of the crowd , I redoubled my efforts and squinted intensely at the billowing figure in the refracted air .───受到人群的欢呼、鼓励，我更加努力，紧张地斜视着折射气流中那个波浪形的人影。
2、When I've found that what I'm doing has become pleasing, even to one person, I have redoubled my efforts to find the next step.───当我发觉我所做的有令某人感到愉快，哪怕是只有一个人，我便会再加倍努力的去寻找下一步。
3、But again, with an unwillingness to surrender to my circumstances, I redoubled my efforts and before long made several good friends.───再一次，为了不向困难妥协，我加倍努力的练习并在不久后交到了几个好朋友。