At no time did I make an attempt to impede any investigatory effort.

我从未试图妨碍任何调查的努力。

《柯林斯英汉双解大词典》

So I will now make an attempt to load down the copper wire.

现在我要努力，装进铜线。

youdao

And I can show that to you — at least I can make an attempt.

我可以展示给你们看-，至少我可以尝试一下。

youdao

Protesters gathered on the Capitol lawn during the debate, yelling in an attempt to make their own voices heard.

VOA: standard.2010.03.22

So here's my attempt to make the question both a bit more precise, and a question that's an open question.

我正尝试,让这两个问题变得更准确,这是个开放性的问题

耶鲁公开课 - 死亡课程节选

No doubt its army of Walkman stereos will make an attempt to defend them.

FORBES: Sony Establishes New, Obsolete CD-ROM Format

Another quagmire would surely lead Congress to make an attempt to rein in presidential power.

ECONOMIST: Lexington

Pominville, who has a partial no-trade clause in his contract, said it's Regier's job to make an attempt to improve the team.

WSJ: Sabres open to dealing before NHL trade deadline