Teachers are a profession. Teaching is a teacher's duty. For on-the-job workers, it is of course uncomfortable that the task is not completed. . And why the math teacher is always criticized at the dinner table, just because many people are not good at math, otherwise the geography, history and Chinese teacher will definitely not respond. There is nothing to see about this topic, and there is no side discussion value. . The extension means that the teacher is very dedicated and he is also a math teacher.

If anything, it is probably that students don't want to attend classes, especially math classes.