He brought his arm up in a futile attempt to ward off the blow.
他出于挡住这一击的无谓企图抬起了他的胳膊。
They are a futile attempt to keep from missing out.
企图阻止错过是徒劳无益的。
Sadly, this is just another example of living in bad faith; a futile attempt to escape responsibility.
总是关于通过选择，我们要活出自己，对自己负责。
Langdon felt a familiar tinge of wonder as his eyes made a futile attempt to absorb the entire mass of the edifice.
当兰登的眼睛徒劳地试图看完整整个大厦时，他感觉到一些似曾有过的惊奇。
It tells you that any attempt to try to specify, to localize the position of an electron in such a system is futile.
这说明你试着任何尝试关于，使一个电子在这样一个系统中，确定其明确的位置是没有意义的。
Therefore any attempt at a universal tool set also proves futile.
因此试图建立一套通用工具集 的任何尝试都被证明是无效的。
To attempt a marketing strategy to encompass all women based on the fact that they make up 50% of the population is a futile exercise.
女性占人口50%是事实，但是因此而试图采取接纳所有女性的市场策略徒劳无功。
Therefore any attempt at a universal tool set also proves futile.
因此，任何建立一个通用工具集的尝试被认为是徒劳的。
But this attempt of his will certainly prove futile, if it is only a subterfuge and means no real change in policy.
但是如果只是形式上的欺骗而无政策上的改变，他的这一企图必然徒劳无功。
Therefore, any attempt to achieve a high degree of accuracy for pipe sizes is futile, especially as pipes are manufactured only to certain standard sizes.
因此，任何想为排水管尺寸做高精确度估计的努力都是徒劳的，特别是因为管道生产的尺寸都是有一定标准的。
Therefore, any attempt to achieve a high degree of accuracy for pipe sizes is futile, especially as pipes are manufactured only to certain standard sizes.
因此，任何想为排水管尺寸做高精确度估计的努力都是徒劳的，特别是因为管道生产的尺寸都是有一定标准的。
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