柯林斯詞典undutiful /?n?dju?t?f?l/ 1. ADJ If you say that someone is undutiful, you mean that they do not show respect or behave as they are expected to. 不恭敬的; 不本分的[正式] [表不滿] They were looking into the King's coach in a most undutiful manner. 他們極其沒有禮貌地曏那位國王的車廂裡觀望。 返回 undutiful