于事无补

It's no good dwelling on that now.

现在多想它也于事无补.

The acting was not good enough to redeem the ( awfulness of the ) play.

该剧 ( 很糟糕 ),演得好也于事无补.

Nothing I do makes any difference anyway, so why bother?

既然我做什么都于事无补，我为什么还要费劲呢？

That won't mend matters , ie improve the situation.

那于事无补.

It won't help anything if you get angry.

你生气也于事无补.

Fretting about it won't help.

苦恼于事无补。

It's no use grieving about past errors.

为以往的错误懊悔于事无补.

It is no use trying to drown your sorrows in drink.

想借酒浇愁于事无补.

The high and faithful spirit of the people counted for nought in this bleak domain.

在这阴森的领域中,人民崇高而忠实的精神也于事无补.

There is no point in complaining. They can't do anything to help you.

抱怨于事无补; 他们没办法帮助你.

So the guard watched him ever more closely, but to no avail.

所以警卫更加小心地盯紧他, 但是这样做完全于事无补.

The hospital staff were very apologetic but that couldn't really compensate.

医院的工作人员深表歉意，但这真的于事无补。

You can't help Britain by overtaxing its people.

向国民过重课税对英国于事无补。

No amount of tinkering is going to improve matters.

任何小修小补都是于事无补的。

Arbitrarily imposing sanctions or restrictions will not help solve the problem.

那样不仅于事无补,而且会损害两国的利益.