أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
It varies from person to person. For example
1.Facing the students.
2.Working in a team.
3.Lesson planning.
4.Good results
5.Etc
To me the biggest challenge as a teacher is to overcome the deficiencies of my students.