基本解釋adj.惋惜的;遺憾的;后悔的同根派生 regretfulness相關詞英漢例句用作形容詞 (adj.)I am regretful for what I have done.我對我的所為深感遺憾。I am regretful for hurting her feelings.我后悔傷害了她的感情。I am never regretful to choose the major by now.我至今仍不后悔我選擇這個專業(yè)。regretfulness更多例句