N a person who mistakenly believes that he or she is very powerful, important, or impressive 误认为自己很强大、很重要或者令人赞叹的人 [非正式]
N（名词） a person who mistakenly believes that he or she is very powerful, important, or impressive 误认为自己很强大、很重要或者令人赞叹的人 [非正式]