He left his post after more than 10 weeks of fruitless attempts to form a coalition government.

VOA: standard.2009.09.24

It's safe to say that Lycidas is one of the last poetic works of Milton's that's really consumed with his problem, the problem of fruitless anticipation.

谨慎的说，是弥尔顿最后的,切实地与他自身的问题有关的诗篇之一，他自身关于毫无成果的期望的问题。

耶鲁公开课 - 弥尔顿课程节选

This is a debate that will forever and forever be fruitless because it's unanswerable.

此争论永不会有结果,因为它是不可解答的。

耶鲁公开课 - 弥尔顿课程节选

But they say the United States is losing patience with what they see as fruitless overtures to Tehran, and they say they believe that sanctions should be imposed without delay if the long-anticipated visit to Tehran by President Lula fails to produce results.

VOA: standard.2010.05.14