The improvement in standards has been steady and persistent, but has attracted little comment from educationalists.

虽然标准在持续稳步提高，但教育者并未对此有何评论。

《柯林斯英汉双解大词典》

He is regarded as a tenacious and persistent interviewer.

他被认为是个执著坚毅的采访者。

《柯林斯英汉双解大词典》

The goal has now been finally attained through their dauntless and persistent efforts.

经过他们百折不挠，再接再励的努力，现在终于达到了目的。

《新英汉大辞典》

"Wherever serious and credible allegations are made of grave and persistent violations of international humanitarian laws, these should be properly investigated,".

VOA: standard.2009.05.19

It's going to be cancelled next year. I won't get my money back.' Loans must be made even if the debt will be cancelled, for the simple reason that the problem of poverty is a terrible and persistent problem.

因为在来年贷款会被解除，他们就收不回自己的钱了,即使是债务会被免除，人们也必须给人借贷，这仅仅,是因为贫困是一个长久存在的可怕问题。

耶鲁公开课 - 旧约导论课程节选

Her statement points to a persistent worry, and it's a worry that exists even now in the twentieth century about the nature of Milton's power.

她的陈述不断透露着忧虑，这种忧虑一直持续到现在20世纪,关于弥尔顿之力量的本性的忧虑。

耶鲁公开课 - 弥尔顿课程节选

For example, excessive debt and persistent unemployment may limit spending, raise interest rates and crimp growth.

FORBES: Hedging Your Risk Without Missing The Bull Market

Today more than ever, job hunters in every field need to be creative and persistent.

FORBES: Magazine Article

Hence, the planning fallacy is a pervasive and persistent phenomenon that is not easy to tackle.

FORBES: People always finish projects behind schedule and over budget - but here is some help