I can't ( ) the teacher who speaks so fast.为什么是keep up with 而不是catch up with
问题描述：
I can't ( ) the teacher who speaks so fast.为什么是keep up with 而不是catch up with
答
catch up with 一般讲“赶上”时多为具体的赶上某人的脚步等等,而keep up with则可用于这种思维或者语言等抽象一点的“跟得上”.