avail someone nothing of little (或 no) avail to li

(archaic)(of an action) be of no help at all to someone

(古)（行動）無助于

not very (or not at all) effective or successful

幾乎（或根本）無效的

with little (or no) success or benefit

幾乎（或根本）毫無作用；無助

he tried to get his work recognized, but to little avail.

他試圖使自己的工作得到認可，但卻幾乎毫無作用。

avail (oneself) of

To make use of.

利用