Let's keep in touch.

咱们保持联系。

《牛津词典》

They embraced and promised to keep in touch.

他们互相拥抱，许诺将保持联系。

《牛津词典》

I wanted to keep in touch, but when I called him he gave me the brush-off.

我想和他保持联系，可是当我打电话时，他却不理我。

《柯林斯英汉双解大词典》

Many people use E-mail,blogs,text messages and social Web sites like Facebook to keep in touch with their friends.

VOA: special.2009.02.06

All right. So much for the introductory lectures which touch on aspects of the materials that we'll keep returning to.

好了，这就是导读课程了,我们讲到了我们接下来要讲的材料的内容。

耶鲁公开课 - 文学理论导论课程节选

because it’s such a convenient, such an easy way to keep in touch with everybody.

因为这个真的可以很方便地跟大家保持联系。

便利的社交媒体 - SpeakingMax英语口语达人

They keep touch with reality by surfing the Internet.

FORBES: Notes From A Distant Node

If you're traveling and expect to use Maps to navigate, Google to scope out enjoyable things to do, your email app to keep in touch, Instagram to brag, Foursquare to keep tabs, Facebook to kill time and your cloud drive of choice to sift through flight and hotel confirmation PDFs, it'll be dangerously easy to exceed 100MB in a day.

ENGADGET: iPhoneTrip SIM rental review: the best way to keep your smartphone connected while abroad

The two men were thrilled to meet and said they want to keep in touch.

WSJ: Holocaust survivor, liberator meet for first time