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资产，但它收入仍然不足以支付为满足不断增长运输需要而进行固定资产投资。

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，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。

Never keep up with the Joneses. Drag them down to your level. It's cheaper.

永远不要和别攀比，把他们拉到和你一样水平。这更便宜。

Over time and through much hard work, the interpreter masters a vast array of tricks to keep up with speed, deal with challenging terminology, and handle a multitude of foreign accents.

随著时间和努力不懈练习，口译员便能练就一兵来将挡水来土掩技巧：灵巧地跟上讲者语速、准确地翻出专有名词、或是马上理解五花八门口音。

But influenza proper is a handful of specific viruses that invade the respiratory lining, evade the immune system, and mutate at a rate that even the world's most brilliant doctors, scientists, and health organizations struggle to keep up with.

但流感本身指是一小撮特定病毒，它们侵入呼吸道，逃避免疫系统，并以世界上最厉害医生、科学家和卫生组织都很难跟上速度变异。

We'll go ahead in saying she's wearing a pair of these combinations because Mary Poppins strikes me as a lady of practicality, and very much one for keeping up with the times.

我们继续说她穿了一双这样组合， 因为玛丽·波平斯（Mary Poppins）给我印象是一个实用女士，而且非常符合时代步伐。

Wages have gone up, especially in lower paying jobs like those in hotels or restaurants, but in many cases what people get paid is not keeping up with inflation.

工资上涨了，尤其是像酒店或餐馆这样低薪工作，但在很多情况下，们收入跟不上通货膨胀速度。

You just try to keep up with us.

你可别让我们给甩下了。

The swiftest horse cannot keep up with it!

最快马也追不上！

Online learning is not easier than regular classroom study; it requires a lot of time, commitment and discipline to keep up with the flow of the course.

网上学习并不比普通课堂学习容易。它需要花许多时间，需要学习者专心自律，以跟上课程进度。

Essentially, they don't yield to pressure to buy the latest thing or to keep up with others or what they have acquired.

从本质上讲，他们不会屈服于压力去购买最新产品，或跟上他或他们所获得东西。

The channel is teeming with insects, fish and frogs, but the parents can barely keep up with their gangly offspring's appetite.

水渠里到处都是昆虫、鱼和青蛙，但父母们几乎无法满足它们瘦长后代胃口。

I think of a group of current Yale College students who started a company to connect senior citizens with phones, tablets, and other devices so that they can keep up with their doctor's appointments via telemedicine.

我还想到了由一群耶鲁本科学院在校生创办一家公司，他们为老年将电话、平板电脑和其他设备连接起来，以便他们能通过远程医疗进行定位并和医生约诊。

We need to be innovating constantly to keep up with this.

我们需要不断创新，以跟上时代步伐。

Keeping up with that could make anyone a basket case.

跟上这一点可能会让每个都陷入困境。

I tried the whole like, no phone for the first hour of the day thing, I just haven't kept up with it and I wish that I did.

我曾尝试起床后一小时内不看手机，但目前还没成功过，虽然我希望自己能做到这点。

News producers are out in the elements, keeping up with newsmakers.

新闻产生员与新闻制作员保持着联系。

The second pig was frustrated that he couldn't keep up with his brother, so he quickly finished up and left it at that.

第二只小猪因为跟不上哥哥而感到沮丧，因此他草草了事，就这样盖完了。