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新东方-柯林斯雅思备考词典
avail
英 [əˈveɪl]
[VERB]
to no avail , to little avail
1. 徒劳
If you do something to no avail or to little avail, what you do fails to achieve what you want.
双语例句
例：His efforts were to no avail.
他的努力是徒劳的。
PHRASE. 习语
avails , availing , availed
1. [T 及物动词] 利用
If you avail yourself of an offer or an opportunity, you accept the offer or make use of the opportunity.
双语例句
例：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。