This was the heaviest and most fatiguing work of all.
这真是最粗重、最让人疲惫不堪的工作了。
It was fatiguing sometimes to try to measure up to her standard of perfection.
力求达到她的完美标准，有时是很累人的。
This was a great loss of time, and was also very fatiguing.
这样不但浪费许多时间，而且也非常吃力。
This was a great loss of time, and was also very fatiguing.
这样不但浪费许多时间，而且也非常吃力。
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