It was obvious that he possessed that sort of obstinacy against which the most energetic efforts are of no avail.

很明显， 他有那种固执的性格， 即使是再大的力气也无济于事。

Ah, little Barbara, little Barbara, you must never give way to grief, for tears are of no avail, nor sorrow.

啊，小芭芭拉，小芭芭拉，你永远不能屈服于悲伤， 因为眼泪是无用的， 悲伤也是无用的。