1. 自大的：自信的 self-confident | 自大的 self-important | 自助的 self-service

2. 自尊心极强的：self-importance 自尊 | self-important 自尊心极强的 | self-imposed 自愿接受的

3. self-important

3. 自尊心极强的/自尊自大的：self-importance /自尊/自负/自大的态度/ | self-important /自尊心极强的/自尊自大的/ | self-imposed /课于自身的/自愿接受的/

4. 自尊自大的：self-important 自尊心极强的 | self-important 自尊自大的 | self-imposed 自愿接受的

1. 妄自尊大的;高傲的;自负的
    If you say that someone is self-important, you disapprove of them because they behave as if they are more important than they really are.

    e.g. He was self-important, vain and ignorant.
           他傲慢自负，虚荣无知。
    e.g. ...self-important officials.
           妄自尊大的官员们

1. having or showing feelings of unwarranted importance out of overbearing pride

    e.g. an arrogant official
           arrogant claims
           chesty as a peacock

    Synonym: arrogantchesty