It may take a number of attempts, but it is worth keeping at it.

可能需要多次尝试，但这件事值得坚持做下去。

《柯林斯英汉双解大词典》

Keeping at it until a task is completed will also boost your sense of self-esteem and, over time, strengthen your self-discipline.

一口气完成一项任务也绝对会提升你的自尊感，随着时间的推移，巩固你的自律品质。

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Seeing how these reminders helped to materialize my goals kept me motivated and excited. While it's sometimes difficult to come up with your next goal, keeping at it brings great results.

看看这些指令员是如何帮助我使我的目标具体化的，它们使我受到激励、变得兴奋。尽管想到你的下一个目标有些时候会比较困难，但是坚持下来就能得到好结果。

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Well, this is the question raised by the skeptic about skepticism or about theory and it's one that we're going to take rather seriously, but we're going to come back to it because there are ways, it seems to me, of keeping this question at arm's length.

这是由对怀疑论或理论持怀疑态度的人提出来的问题,也是我们要认真探讨的，但是我们还会回来继续讨论，因为对我而言，我们需要和这个问题保持一定距离。

耶鲁公开课 - 文学理论导论课程节选

Isn't it difficult being a mother and a professor at the same time and keeping a balance between the two?

同时做母亲和教授是不是很困难呢？两者之间取得平衡不容易吧？

教授的梦想 - SpeakingMax英语口语达人

But did anybody have the temptation at all, and maybe even yielded to it, to eat differently the day you're keeping a record so that you look good to yourself or you know, to whoever grades those?

是不是所有人都受到诱惑,甚至屈服于此,记录的时候刻意每天吃不同的食物,然后觉得自己的记录看起来会好些,这是跟谁评比吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Whether it's at Yucca or somewhere else, having a central repository of nuclear waste would be a better solution than keeping it at the individual nuclear plant sites, Was said.

CNN: Nuclear disasters: Is the fear realistic?

One reason to think it will not last forever is that in most of the countries where it has been abolished, a majority of the public remained in favour of keeping it at the time.

ECONOMIST: An end to killing kids | The

Yes there is a lot of newer technology out there that can do amazing things, but as far as keeping it at the same price point, you get some added speed and larger RAM and Harddrive.

FORBES: Connect