According to the conventional analysis, the main reason for "listening to March 7th and February 28th" is that the teacher's lectures are boring, and the teaching design and content are divorced from the students' reality, which can't arouse students' interest, so students can't listen.
Teachers are professionals who teach students correct knowledge. Teachers have various academic qualifications (primary school teachers, junior high school teachers, senior high school teachers). At the same time, it also refers to people who are worth learning in a certain respect and can bring you correct knowledge and ability.