of no avail meaning in English
不起作用没有用
无效，无用
无用，无效
Examples
- Now it 's done , regrets are of no avail .
事已如此，后悔也是枉然。 - Without the latter, the former is of no avail .
没有后者，前者是无效的。 - This has been of no avail .
这话并未发生效果。 - Of course that was of no avail against a man who can strike down seven at a blow .
当然，用那种办法来抵抗一个一下子打死七个的人，是起不了什么作用的。 - He tried and tried but all his efforts were of no avail
他试了又试,但一切努力都不起作用。