The constant demands, together with the exhausting effects of interrupted sleep, can make it hard to find the time and energy to exercise or prepare healthy meals.

宝宝不断的要求、被打断睡眠造成的精疲力尽，都让妈妈很难找到时间和精力去运动和准备营养餐。

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She is, however, the first to concede it could be hard work: "It is exhausting."

然而，她是第一个承认执教是个苦差事的人：“这份工作令人疲倦。

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"That's 20 minutes of hard, exhausting wrestling, " says Mr. Vetri.

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Because it has a 6-gigabyte hard drive, most music collectors would be hard-pressed to even come close to exhausting the machine's capacity.

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