单词：keep up with
跟上
[法] 追上, 跟上, 赶得上
[法] 追上, 跟上, 赶得上
keep up with的用法和样例：
例句
- I was put to it to keep up with his pace.我跟上他是不容易的。
- They had to bring the card index up to date.他们使得索引卡片跟上发展，不致过时。
词汇搭配
- keep up with the joneses赶上别人