关于keep up with和catch up with这个很多人还不知道，今天小六来为大家解答以上的问题，现在让我们一起来看看吧！
1、Bkeep up with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、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。
3、3.跟上……，不落后于come up with 释义:赶上We came up with a group of tourists. 我们赶上了一群旅游者。
4、2.(针对问题等)想出;提供He came up with good ideas for the product promotion. 他想出一个推广产品的好方法。
5、 He could not come up with a proper answer. 他想不出一个合适的回答。
6、3.准备好(钱等)You must come up with the money by tomorrow night. 你明晚之前必须准备好钱。
本文到此分享完毕，希望对大家有所帮助。