Ella kept her head down, trying not to be noticed, struggling to catch up and feeling like an outsider.

Ella低下她的头，试图不被注意，努力想把自己包起来并且看上去像个局外人。

youdao

I really want to catch up and hear everything that's been going on for the last few years, but first, I have to tell you the reason I called.

我很想聊聊最近几年的情况，听听发生的每件事，但首先我要告诉你我打电话的理由。

youdao

Microsoft has often been late to the game with products, however in many cases it has managed to catch up and take the lead as with Windows or Office.

微软经常较晚加入到产品的竞争中，但是在很多情况下，它会设法追上对手并像Windows或者Office一样取得领先地位。

youdao

They worked quickly to catch up. Less than a year later, on October first,nineteen fifty-eight, the National Aeronautic and Space Administration,or NASA, began operations.

VOA: special.2010.08.20

We wanted to quickly catch up and surpass everyone in terms of search quality for Chinese users.

希望能够通过该项目在为中国网民,提供搜索的质量，迅速赶超别人。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I'm really tired and I have a lot of school work to catch up on.

我真是累坏了，我还有许多落下的功课得补起来。

I'd like 实战 - SpeakingMax英语口语达人

It's a time to catch up and share stories, eat barbecue and have a good time.

CNN: The story

It requires giving students who are behind in school a chance to catch up and a path to a diploma.

WHITEHOUSE: Helping America Become a ��Grad Nation��

While I still think that, the competition continues to catch up and that means Apple will need to do more to raise the bar.

FORBES: Apple Needs More Than Just A Hardware Upgrade