出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第129页（234字）
没有真才实学却自以为了不起，例他稍有成绩便妄自尊大，连前辈师长都不放在眼里，实在太放肆了。
Having made some success，he has become so swollen-headed that he even makes light of his former teachers which is really taking liberties．