Whatever water quality all the effort will be wasted if diseases are brought in.

Her efforts were rendered futile by her own illness.

她因为生病而前功尽弃.

Each one must do his utmost or the labour of all is vain.

每个人都必须竭尽全力,否则就要前功尽弃.

It might mean undoing years of work.

这可能意味着多年的工作前功尽弃.

This caused the utmost anxiety and rendered all concentration futile.

这引起了莫大的焦虑,而且使一切力量的集中都前功尽弃.

Far from backing down , he pressed the attack ( Justin Kaplan )

他非但不打退堂鼓,反而竭力推行这次行动 ( 查士丁卡普兰 )

So many times I've been told something can't be done.

许多人一遇到障碍就打退堂鼓.

Please try to back out now that everything has been arranged.

现在一切都安排好了,请不要打退堂鼓.

But after all I could not recede.

但是我毕竟不能打退堂鼓.

I know that I will not be able to go backward.

我知道我是不会打退堂鼓的.

The trial was stopped and the results declared invalid.

审判被中止，判决结果被宣布无效。

The authorities have abandoned any attempt to distribute food.

当局中止了分发食物的尝试。

Spring's light foot has gone.

春天的脚步却戛然而止.

But after replacing 1.7 edition 2004, stop abruptly.

但是2004年更新到了1.7版之后戛然而止.

That it can all end, even when you least want it to.

而它可能在你最不想让它结束的时候戛然而止.

The scandal threatened an abrupt end to a promising political career.

这个丑闻有可能使原本大有前途的政治生涯戛然而止.

But the period of rising prosperity is coming to an abrupt end.

可惜这个繁荣发展期却也戛然而止了.

Here the narrative breaks off.

故事讲到这里戛然而止.

The recession brought an abrupt halt to this happiness.

经济衰退让这幸福戛然而止。

Talk now died a sudden death -- on the Foster side.

可是,话头还没展开,就戛然而止 —— 责任全在福斯特家一方.

Why cut the money off?

为什么中断资金的供应？