re·gret·ful /rɪˈɡretfʊl/ a. 懊悔的，悔恨的；遗憾的；惆怅的 a regretful face 懊丧的脸 be regretful for what one has done 后悔自己所做的事 I felt regretful about what happened. 对于已发生的事我深感遗憾。 I feel rather regretful that the affair ended like that. 事情竟弄到那样的结局，我很遗憾。 cast a last regretful glance at sb. 朝某人怅然投去最后一瞥