可以的话各自造个句子.我对比下意思.谢谢
參考答案:catch up 和 catch up with都是赶上的意思(由其指功课、进度)
catch up with 后面可以接人就是赶上某某人的意思
catch up:
If you miss a lot of classes, it's very difficult to catch up.
catch up with:
At the moment our technology is more advanced, but other countries are catching up with us.
例句均摘自朗文字典