keep up with

跟上

例句与用法：

I can't keep up with all the changes in computer technology.

计算机技术的各种改进有些我已跟不上了。

How many of your old school friends do you keep up with?

你和中学时的老同学保持联系的有多少?

She likes to keep up with the latest fashions.

她喜欢穿戴入时。

They could not keep up with us when we climbed the mountain.

爬山时，他们跟不上我们。

Mother set the pace so that her children would keep up with her.

妈妈定了速度好让她的孩子们能够跟上她。

I think it important that we keep up with the times.

我认为跟上时代是很重要的。

详细释义：

1. 跟上

They walked so fast that I could not keep up with them.

他们走得那么快, 我没法跟上。

2. 和……保持联系

She has kept up with some of her friends since her retirement.

她退休后一直同一些朋友保持着联系。