The two saleswomen were busily trying to keep up with the demand.

这两个女售货员正忙着尽力满足顾客的需求。

《柯林斯英汉双解大词典》

The elephant was trying to keep up with the fast-moving crocodile in the water and became careless.

大象试图跟上水里快速移动的鳄鱼，不再小心翼翼。

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Is it any wonder that many young girls trying to cope with budget housekeeping fail for the simple reason that they cannot keep accurate checks on their purchases?

很多女孩子因为不能准确核对她们所买的东西的花费而在处理家务开支预算时失败了，这很奇怪吗？

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So, we just have to keep improving our regulation and trying to make a deal with all of the problems as they come up.

因此,我们更该完善监管,我们应该想个应对问题的万全之策

耶鲁公开课 - 金融市场课程节选

They'll keep trying to get it going, but maybe we should move on with our lives here while this is happening, and we'll click it back at the end, and if we have a nice set up at any point, I'll just stop and we'll go back and we'll look at it again.

它们会一直让它保持运动，但是或许我们应该,在这个过程中离开一会儿，我们在最后点击它，如果我们在每一个点,都有一个好的装置，我就会停止然后,返回再去看看它。

麻省理工公开课 - 化学原理课程节选

You could run through a little loop to say keep trying until you get one. But one of the ways I could deal with it is what's shown here.

你可以运行一个小循环来不断地做,直到得到一个输入,但你应该做的是弄明白这里到底要干什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

The app is a different type of interaction than the original Facebook Poke, but it has chosen that branding to connect with its early days while trying to keep pace with new developers.

FORBES: Move up http://i.forbesimg.com t Move down

Executives are lumbered with two overlapping workdays: a formal one full of meetings and an informal one spent trying to keep up with the torrent of e-mails and messages.

ECONOMIST: Schumpeter

The American super-rich are trying to keep up with the Gateses, not the Joneses.

BBC: Keeping up with the Hohnses