They embraced and promised to keep in touch.
他们互相拥抱，许诺将保持联系。
We're a tight group, so we do keep in touch.
我们关系很铁，所以的确保持着联系。
She's still keen to keep in touch
她仍旧很愿意保持联系。
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，但当我打电话给他时，他却不理睬我。
We must keep in touch with each other.
大家要经常通气。