| 释义 |
of no availuseless; unsuccessful; in vain 没有用 * His sickness was treated with many medicines, but all were of no avail. 他的病已用各种药治过，但都无效。 * Tom's practicing was of no avail. He was sick on the day of the game. 汤姆平时的练习全部泡汤了，比赛那天他病了。 * Although they tried hard, their efforts seemed to be of no avail. 虽说他们花了很大力气，但看来还是徒劳无功。 |