To begin with,the teather speaks too fast that I can't understand him.
问题描述：
To begin with,the teather speaks too fast that I can't understand him.
答
To begin with,I can't understand my teacher,because he speaks too fast.
答
可以改成：
First I can't understand the teacher because he speaks too fast.
答
To begin with,the teather speaks too fast for me to understand him.