To be conceited about one's talents and boast, presuming on one's abilities to show off.
他虽然很有才华，但总是恃才扬己，让人敬而远之。
Although he is very talented, he always presumes on his talent and shows off, which makes people keep their distance.
Next Idiom
To be conceited about one's talents and boast, presuming on one's abilities to show off.