Attempts to reach a mutually agreed solution had been fruitless.

想要达成一个彼此同意的解决方案，却无果而终。

《柯林斯英汉双解大词典》

Attempts to collect damages for libel and costs from people outside Britain are rare and often fruitless.

从英国外面把钱(诽谤赔偿和费用)收回来的打算也很稀罕，基本也上没戏。

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There is another side to the story, of course. Attempts to collect damages for libel and costs from people outside Britain are rare and often fruitless.

当然，另一方面，外国人里算计着诽谤赔偿损失费和诉讼费的毕竟只是少数，且多无疾而终。

youdao

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

VOA: standard.2009.09.24

Following several months of fruitless attempts to track him down, he was arrested on Wednesday evening at the Nelson Mandela Square, Sandton-Johannesburg following a tip-off.

FORBES: Fake South African Billionaire Arrested For Fraud, Homicide Charges

After fruitless attempts to make contact with chief executive of the band's record label Apple, Neil Aspinall, the family decided to auction the tape at Christies in London.

BBC: Irene Draper with Beatles recording

After weeks of fruitless attempts to raise the lander by radio, JPL mission controllers appeared resigned to their second major failure on a Mars mission in three months, following the September loss of the Mars Climate Observer.

CNN: Technology - Will quiet Mars lander talk to Dutch radar dishes?