⒈ 依憑過去的功績而自滿自足，輕視別人，停步不前。
英plumed himself on his accomplishment;
⒈ 憑借著自己的功勞而自高自大。
例如：「一個謙和自守的人，絕不居功自傲。」
反功成不居
英語satisfied with one's accomplishment and arrogant as a result (idiom)?; resting on one's laurels and despising others