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;
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