This was a rather complicated question that involved many aspects such as interpersonal relationships, personality, and situation. The following are some possible reasons: 1. Character and behavior habits: Some people may be born arrogant or like to look down on others in their usual interactions. This kind of personality and behavior habits may cause them to be more arrogant in their attitude and tone towards others. 2. Self-confidence: Some people may lack self-confidence for some reason, which makes them easy to show inferiority when interacting with others. In this case, they might deliberately emphasize their own strengths and ignore their own shortcomings, thus showing contempt for others. Communication problems: Some people may not have enough communication skills to effectively express their opinions or feelings. They may show arrogance because of their own emotions or show contempt for others because they don't understand what others think. 4. Situation problems: In certain situations, some people may show arrogance for various reasons. For example, they might have suffered setbacks in class or been criticized by others, causing them to have different opinions of themselves and others. Whatever the reason, if you feel that someone in class is belittling you, you can try the following methods to improve the situation: Maintain self-confidence: improve your self-confidence and learn to pay attention to your strengths and weaknesses. 2. improve communication skills: learn effective communication skills, learn to express your opinions and feelings, and learn to listen to other people's thoughts and opinions. 3. Learn to understand: Understand the thoughts and feelings of others and avoid showing arrogance because of your own emotions. 4. Active communication: Take the initiative to communicate with others, establish good interpersonal relationships, and expand your social circle.