Their efforts were unavailing.

他们的努力都付诸东流。

《牛津词典》

Their efforts to revive him were futile.

他们努力使他苏醒，但失败了。

《牛津词典》

Their efforts were finally crowned with success.

他们的努力终于取得圆满成功。

《牛津词典》

Now the Tea Party and the Coffee Party can both pour their efforts into the congressional elections this November.

VOA: special.2010.03.06

Well, the people who the Romans called barbarians destroyed the Western empire and it also the destroyed the power of the emperors and their efforts to impose religious and political conformity under imperial control.

那么,被罗马人称作野蛮人的民族,摧毁了西方帝国的同时也摧毁了,君主权力,以及通过王权实施,政教合一的种种努力

耶鲁公开课 - 古希腊历史简介课程节选

Ok. Talking about the Englishman, talk about, you know, the Nato efforts as a whole, they are really not pulling their weight, are they?

说到英国人，北约组织成员并没有全力以赴吧？

普林斯顿公开课 - 国际座谈会课程节选

Will changes in the Federal Reserve's funds rate help or hinder their efforts to produce?

FORBES: Magazine Article

She said their efforts will extend beyond the traditional "72-hour campaign" they have conducted since 2002.

CNN: Battle for Virginia shifts to getting voters to the polls

The canal enthusiasts could be given shares in the firm, to reward them for their efforts.

ECONOMIST: Canals