But repeated attempts to find the documentation, or better yet the cash, were fruitless.

但是对这些文件或是现金的不断寻找徒劳无功。

youdao

Microsoft has made repeated attempts to introduce “tablet” computers with very limited results.

微软(Microsoft)曾多次尝试推出“平板”电脑，但成果极其有限。

youdao

Despite repeated attempts to compromise its integrity, Wikipedia remains the most popular online encyclopedia on the Web.

尽管为了保持内容完整而需要不断作出让步，但不可否认，Wikipedia仍是最受欢迎的在线百科全书。

youdao

Repeated attempts to allow the species to recover have failed under the pressure to supply a market willing to pay tens of thousands of dollars for a single fish.

VOA: standard.2010.03.04

After repeated attempts to put out the flames, the battery was removed from the aircraft.

BBC: Boeing 787 Dreamliner: NTSB details battery fire

His repeated attempts to have courts look anew at his conviction were, until recently, for naught.

FORBES: Jeffrey MacDonald, Innocence, and the Future of Habeas Corpus

After repeated attempts to contact Madoff in prison, Henriques was granted an interview under strict supervision.

FORBES: Inside the Mind of Madoff: When Did Scam Really Begin?