I rely upon you to finish the work on time.
我相信你会准时完成这项工作的。
Who can be depended upon to carry on the work?
可以依靠什么人来进行这个工作。
He fell upon the new idea and after a long time of hard work wrote an important paper on it.
他下苦功思考这一新观点，经过长时间的艰苦工作，写了一篇论文，对此进行阐述。
He fell upon the new idea and after a long time of hard work wrote an important paper on it.
他下苦功思考这一新观点，经过长时间的艰苦工作，写了一篇论文，对此进行阐述。
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