angry
blackboard
book
bored
boring
chalkboard
classroom
college
demonstrating
discussing
education
exhausted
explaining
fatigue
help
helping
individual
lazy
learn
learning
lecture
lecturer
lesson
man
mentor
mentoring
old
personal
pointing
presenting
private
pupil
school
showing
sleep
sleeping
sleepy
strict
student
study
studying
teacher
teaching
textbook
tired
trainee
training
tutor
tutoring
university