柯林斯詞典jumped-up 1. ADJ suddenly risen in significance, esp when appearing arrogant 平步青雲(yún)的[非正式] 返回 jumped-up劍橋詞典behaving as if you are very important in your job or position , especially because you used to be in a much lower position （尤指因地位顯著提高後）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 ) . 他不過是從辦公室勤襍員的位子上陞上來的妄自尊大的家夥。 返回 jumped-up