I apologized repeatedly, but to little avail.

我一再道歉，但丝毫没有奏效。

I apologized repeatedly, but to little avail.

我一再道歉，但不怎么奏效。

I tried to borrow some money but to little avail.

我想借些钱，但徒劳了一番。

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

他试图使自己的工作得到认可，但却几乎毫无作用。

Banking consolidation has long been talked about in the gulf-to little avail.

银行业的整合可能无济于事的问题已经在海湾地区讨论了很久。