Your ability to argue is oflittleavail if the facts are wrong.
如果论据是错的,你的辩才也就没有什么用了。
《牛津词典》
2
And had it not been that Governor Phillip had with him a servant who had been for a time on a farm, their Labour would have been oflittleavail.
要不是菲利普长官的一个仆人有过在农场工作的经历,这些劳动力几乎就要无用武之地了。
3
What I can express will hardly console you, for f know there are moments in which all consolation will be oflittleavail in easing the sadness of a grieved heart.