"I have to keep on working!" he says.

他说“我还要继续工作呢！”

youdao

We must keep on working hard in the coming New Year.

在即将到来的新年里，我们必须继续努力工作。

youdao

If you keep on working hard, you'll achieve great success one of these days.

如果你继续不断地努力工作，你有一天会获得很大的成就的。

youdao

We are going to keep on working to get this done,with Democrats, I hope with Republicans, anybody who is willing to step up,".

VOA: standard.2010.01.22

It's something you can keep working on, that I need to keep working on, even Professor Raboteau needs to keep working on.

大家必须做到持之以恒，这也是我所追求的，甚至Raboteau教授也是一样。

普林斯顿公开课 - 人性课程节选

Nathan plans to keep working on that goal when he completes the second year of his fellowship with the children at PS 75 in Brooklyn.

VOA: special.2011.07.11

Sometimes, we just need to keep on working, resisting the temptation of a beer-fueled nap.

WSJ: Jonah Lehrer on How to Be Creative

And we will keep on working until hopefully we can figure out a way to solve problems.

WHITEHOUSE: President Obama Meets With Newly Elected Governors

But I am here today, I came here specifically, to ask you to just keep on working.

WHITEHOUSE: Remarks by the First Lady at Girls Inc. of Omaha Event