avail
美 [ə'veɪl] 
英 [ə'veɪl] 
- n.效用;收益
 - v.有用;有帮助;有益;利用(尤指机会、提议等)
 - 网络有益于;利益;有利于
 
过去分词:availed  现在分词:availing  第三人称单数:avails  
n.
benefit,advantage,reward,gain,purpose
avail
显示所有例句
IDM
The doctors tried everything to keep him alive but to no avail. 医生千方百计想使他活下来,但无济于事。  | 
to little/no avail
没有什么效果;不成功with little or no success
The doctors tried everything to keep him alive but to no avail. 医生千方百计想使他活下来,但无济于事。  | 
Your ability to argue is of little avail if the facts are wrong. 如果论据是错的,你的辩才也就没有什么用了。  | 
of little/no avail
没有什么用处;没有用of little or no use
Your ability to argue is of little avail if the facts are wrong. 如果论据是错的,你的辩才也就没有什么用了。  |