keep in touch with sb.

keep in touch with sb.与某人保持联系

【例句】

◆ I have kept in touch with my penfriend since 1999．自从1999年以来我一直和我的笔友保持着联系。

◆ Why do you keep in touch with Helen?你为什么还和Helen保持着联系？

【联想】 反义短语：lose touch with sb．与……失去联系