regret
/rɪˈɡret/ n. 遗憾；抱歉；悲叹regretful
/rɪˈɡretfl/ adj.后悔的,抱歉的,惋惜的,遗憾的regretfully
/rɪˈɡretfəli/ adv.懊悔地,抱歉地regrettable
/rɪˈɡretəbl/ adj. 可惜的；可悲的；抱歉的；令人遗憾的regrettably
/rɪˈɡretəbli/ adv.抱歉地,遗憾地,可悲地regretted
/rɪˈɡretɪd/ v. 遗憾（regret 的过去式和过去分词）regretting
/rɪˈɡretɪŋ/ v.后悔