avail /əˈveɪl/ star1 CET6 TEM8 (availing,availed,avails)

• 1.  

  PHRASE（习语） If you do something to no avail or to little avail, what you do fails to achieve what you want. 徒劳 [书面]

  例：

  His efforts were to no avail.

  他的努力是徒劳的。

• 2.  

  V-T（及物动词） If you avail yourself of an offer or an opportunity, you accept the offer or make use of the opportunity. 利用 [正式]

  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。