C-1: catch up with 赶上
A:I really want to give up my studies.
A:我真想放弃我的学业了。
B:What? How can you say so?
B:什么？你怎么能这么说呢？
A:I can't catch up with my classmates, I can't follow the teacher in class.
A:我跟不上我的同学。上课时我跟不上老师讲的课。
B:Don't give up. I think as long as you work hard, you will make progress step by step, All of us can help you.
B：千万别放弃。我觉得只要你刻苦，你会一点一点进步的。我们大家都会帮助你的。
