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.