self-im·port·ant
adjective/ˌself ɪmˈpɔːtnt/
/ˌself ɪmˈpɔːrtnt/
(disapproving)- thinking that you are more important than other people
自大的；妄自尊大的；自负的 - He was a self-important little man.
他是个讨厌的自命不凡的家伙。 - She was not at all the self-important celebrity I’d read about.
她根本不是我读到的那种自以为是的名人。
- He was a self-important little man.