"All his efforts were a little avail" ,"All his efforts were of little avail."

问题描述:

"All his efforts were a little avail" ,"All his efforts were of little avail."
哪一句正确?请指教.

据牛津高阶英汉词典:avail在作为名词时主要以习惯短语出现;of no/little avail 或 to no/little avail 或 without availAll his efforts were a little avail,非常别扭的表达,应该用All his efforts were of littl...