傲慢 (ào màn): arrogant; haughty

The new manager is very arrogant and never listens to his subordinates' opinions; everyone dislikes him.

He became arrogant because of his good grades and looked down on classmates who did poorly in school.

Her arrogant attitude made customers very dissatisfied, which ultimately led to her being fired by the company.

Even if you have achieved great success, you should not treat others arrogantly.