基本解釋adj.不感謝的;忘恩的;吃力不討好同根派生 thanklessness相關詞英漢例句用作形容詞 (adj.)Giving advice is usually a thankless act.進忠告通常是一種不令人感激的行為。I did much for him but what I got was only his thankless complaints.我為他做了那么多,但得到的只是他不知感恩的抱怨。She played a thankless role.她扮演了一個受累不討好的角色。They seldom labour their wits on thankless task.他們很少為吃力不討好的工作動腦筋。thanklessness更多例句