classes: lecturer. Lack of enthusiasm in teaching, or have a bad attitude saying bad things about students, creating pressure in the classroom. curriculum. Lack of enthusiasm in teaching, or have a bad attitude saying bad things about students, creating pressure in the classroom. facility. Lack of enthusiasm in teaching, or have a bad attitude saying bad things about students, creating pressure in the classroom. general. Lack of enthusiasm in teaching, or have a bad attitude saying bad things about students, creating pressure in the classroom.