⒈  依凭过去的功绩而自满自足，轻视别人，停步不前。

英plumed himself on his accomplishment;

国语辞典居功自傲[ jū gōng zì ào ]

⒈  凭借著自己的功劳而自高自大。

例如：「一个谦和自守的人，绝不居功自傲。」

反功成不居

英语satisfied with one\'s accomplishment and arrogant as a result (idiom)​; resting on one\'s laurels and despising others

居,功,自,傲