avail someone nothing of little (或 no) avail to li
(archaic)(of an action) be of no help at all to someone(古)(行动)无助于not very (or not at all) effective or successful几乎(或根本)无效的with little (or no) success or benefit几乎(或根本)毫无作用;无助
avail (oneself) of
To make use of.利用
柯林斯高阶英汉双解学习词典释义
PHRASE
毫无用处;没效果
If you do something to no avail or to little avail, what you do fails to achieve what you want.