柯林斯词典jumped-up 1. ADJ suddenly risen in significance, esp when appearing arrogant 平步青云的[非正式] 返回 jumped-up剑桥词典behaving as if you are very important in your job or position , especially because you used to be in a much lower position （尤指因地位显着提高后）自命不凡的，妄自尊大的 He's just a jumped-up office boy (= he was once only an office boy ) . 他不过是从办公室勤杂员的位子上升上来的妄自尊大的家伙。 返回 jumped-up