PHRASE If you do something to no avail or to little avail, what you do fails to achieve what you want. 徒劳 [书面]
His efforts were to no avail.
他的努力是徒劳的。
V-T If you avail yourself of an offer or an opportunity, you accept the offer or make use of the opportunity. 利用 [正式]
Guests should feel at liberty to avail themselves of your facilities.
客人们应可以随意使用你们的设施。
They also availed themselves of other forms of expression with metaphorical meaning, some probably original, some derived from Toltec coinages.
它们还利用了其他具有隐喻意义的表达形式，有些可能是原创的，有些则源自托尔特克的新造词。
Our efforts availed us nothing.
我们的努力归于无用。
All our efforts availed us little in trying to effect a change.
在企图实现一个变革中我们徒劳无功。
词组短语
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