We maintain good habits to keep up good appearance and thereby maintain a good relationship.

我依靠好习惯来持美丽的外表，并以此维持良好的恋爱关系。

The railroad industry as a whole, despite its brightening fortunes, still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic.

从整体来说，虽然铁路行业有耀眼的资产，但它的收入仍然不足以支付为满足不断增长的运输需要而进行的固定资产投资。

He stressed the army should keep up military training and combat preparedness.

他强调称，军队要坚持练兵备战。

He noticed that it was a lot smaller than Dudley's. Aunt Petunia seemed to feet that the best way to keep up Dudley's morale was to make sure that he did, at least, get more to eat than Harry.

哈利注意到，他这一份比达力的那一份要小得多。佩妮姨妈似乎认为，使达力振奋精神的最好办法就是证他至少比哈利吃的东西多。

My hair glistens in the hot bright lights. Johnny Car–son has much to do to keep up with my quick and witty tongue.

而且，我还是一个伶牙俐齿的人，说起话来妙语连珠，就连约翰尼。卡森也望尘莫及。

I don't like to keep up with joneses.

我不喜欢随大流。

I hope you can keep up with the work.

我希望你能跟上功课。

I can do something for twelve hours that would appall me if I felt that I had to keep it up for a lifetime.

我可以做一件让我感到震惊的事情，如果我觉得我必须坚持一辈子的话，它会持续 12 个小时。

We live in an era of accelerating change, where often as a society and as individuals we seem to be struggling to keep up.

我生活一个加速变革的时代，这里，作为社会中的独立个体，我努力争取跟上时代的步伐。

We'll be producing a series of shows to keep you up to speed on events taking place around the world.

我将制作一系列节目让您及时了解世界各地发生的事件。

That will maximize your retention and keep creativity up.

这样可以最大程度地持你的记忆力和创造力。

To all my ladies out there, keep up the fight, I stand right alongside you, and don't let the bastards grind you down.

对于那里的所有女士，继续战斗，我与你同，并且不要让那些混蛋惹你生气。

What is it that's keeping you up at night right now as we - - as we come into the final stretch of the campaign?

是什么让你选举的最后阶段仍然能够熬夜到现？

We've kept it a secret up to now.

我一直守着这个秘密。

The people next door kept me up all night with their sex noises.

隔壁房间的人做爱声大得我一晚上没睡。

It was impossible to keep up our social pretences any longer.

过去那种光荣体面不可能再维持下去了。

No, no, no, you know what? Go ahead. Keep it up.

不，不，不，你继续吧，继续。

You just try to keep up with us.

你可别让我给甩下了。

You are doing really great, keep up the good work.

你做得真的很好，继续加油吧。

Even seasoned investors like you, Cornell, are going to be kept up at night.

即使是像你这样经验丰富的投资者，康奈尔，也会夜不能寐。