They tried artificial respiration but it was of no avail.

他们试做人工呼吸,可是无效.

《简明英汉词典》

Now it's done, regrets are of no avail.

事已如此, 后悔也是枉然.

《现代汉英综合大词典》

He tried and tried but all his efforts were of no avail.

他试了又试,但一切努力都不起作用.

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If one word does not succeed, ten thousand are of no avail.

一言不胜, 满盘皆输.

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Medicine is of no avail.

医药无效.

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That would be of no avail.

这样恐怕无补于事.

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Empty talk is of no avail.

空言无济于事.

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The advice we got was of no avail.

我们得到的建议完全没用.

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All this was of no avail.

但是这些话等于白说.

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This has been of no avail.

这话并未发生效果.

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There are few sorrows, however poignant, in which a good income is of no avail.

伤心事, 不管多么刻骨铭心, 在有了一份好收入之后不会被冲淡的例子是很少的.

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The people who stood on the avenue tried to extinguish the fire, but of no avail.

站在林荫道上的人们想熄灭大火, 但不起作用.

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With of water Qujiu a car Zhao Lehuo of fuelwood, the metaphor of no avail.

用一杯水去救一车着了火的柴草, 比喻无济于事.

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