She found him sleeping heavily, and all her efforts to awaken him were of no avail.
她发现他睡得很沉，她想唤醒他的一切努力都无济于事。
Her powers of persuasion were to no avail.
她的说服力没有起到作用。
The doctors' efforts to save the child were of no avail.
医生为救这个孩子所做的全都白费了。
It is much too far away: and were it within a yard of me, what would it avail?
它离这儿太远，可就是离我一码远，又有什么用？
Their attempts to explain were of no avail-he refused to believe them.
他们试图进行解释，但是毫无用处—他不相信他们。
All his efforts were of no avail.
他的努力都没有用。
In this case there is a positive impact as the additional gain of those who avail themselves of the policy go on to add to the demand of others who were not directly involved.
但在该情况下，由于政策受益方所获的额外收益会提升非直接相关方的需求，所以这种影响是积极的。
Many remedies were employed by the physicians in his sickness, but all were of no avail.
在他病中医生们用了许多办法，但都无济于事。
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。
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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