他夜以继日地在实验室工作。
夜以继日地超负荷工作使他极度虚弱，但他仍然坚持和战友们一起战斗在大堤上。
Overworking day and night left him low, but he still kept on fighting together with his comrade-in-arms on the river bank.
近来john夜以继日地在项目上工作着。
Recently John has been working on the project day and night.
他们夜以继日地在实验室工作了整整一个月，不料却发现他们在做根本无法做成的事。
They worked day and night in the laboratory for a whole month only to find that they were attempting the impossible.
他们夜以继日地在实验室工作了整整一个月，不料却发现他们在做根本无法做成的事。
They worked day and night in the laboratory for a whole month only to find that they were attempting the impossible.
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