be self-important
He is so self-important that nobody wants to work with him.
他如此妄自尊大，没人愿意和他共事。
自视过高的；妄自尊大的；自命不凡的
自视过高的；自负的。；因傲慢自大而表现出不应有的重要感；自尊心极强的
having or showing an exaggerated sense of one's own importance
自视过高的；自负的。
Having, or behaving as if having, too high an opinion of one's own importance.
因傲慢自大而表现出不应有的重要感
having or showing feelings of unwarranted importance out of overbearing pride
His self-important attitude made him unpopular among his colleagues.
他妄自尊大的态度使他在同事中不受欢迎。
用法提示：形容词作定语，修饰attitude，表示‘妄自尊大的’态度
The manager's self-important speech annoyed everyone in the meeting.
经理妄自尊大的讲话激怒了会议上的每个人。
用法提示：形容词作定语，修饰speech，描述讲话中流露出的自负
She had a self-important way of walking, as if she owned the room.
她走路时一副妄自尊大的样子，仿佛整个房间都是她的。
用法提示：形容词作定语，修饰way of walking，形容走路姿态中表现出的傲慢
He is so self-important that nobody wants to work with him.
他如此妄自尊大，没人愿意和他共事。
用作定语，修饰名词。
She gave a self-important speech about her achievements.
她发表了一番妄自尊大的演讲，讲述自己的成就。
Stop acting so self-important; you're not the only expert here.
别表现得这么妄自尊大，这里又不是只有你一个专家。
grammar · medium
易错句子He is a self-important.
正确表达He is self-important.
“self-important”是形容词，不能直接用作名词。中文“妄自尊大的人”可能让人误以为它可以作名词，但英语中需用形容词作表语。
grammar · medium
易错句子He is very selfish, always thinking he is better than others.
正确表达He is very self-important, always thinking he is better than others.
“selfish”指自私，只关心自己；而“self-important”指自视过高、妄自尊大。此处描述的是过分看重自己而非自私，故应用“self-important”。
self-important强调自认为重要，arrogant强调傲慢的态度和行为
self-important侧重于自我感觉重要，conceited侧重于对自身能力或成就的过高评价
self-important指妄自尊大，self-centered指只考虑自己而不顾别人
Choose the next layer that will help you use self-important with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from ECDICT, WIKTIONARY.