经过一番努力，他的努力得到了回报，一块非常破旧的门垫露了出来。
After some further toil, his efforts were rewarded, and a very shabby door-mat lay exposed to view.
经过一番努力，女孩终于成功地把那块石头移到了路边。
After a great deal of effort, the girl finally succeeded in moving the stone to the side of the road.
他经过一番努力重新获得了他原来的工作。
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