zì mìng bù fán de xíng wéi

pompous act

The Chinese phrase '自命不凡的行为' refers to an action or behavior that is characterized by an exaggerated sense of one's own importance or abilities. It is often used to describe someone who acts in a way that shows off or seeks to impress others, usually without justification. This phrase can convey a negative connotation, implying arrogance or pretentiousness.