/ru: ||; ru/verb [T] (rueing or ruing; rued) (old-fashioned or formal 旧或正式) to feel bad about sth that happened or sth that you did because it had bad results 对…感到懊恼；懊悔: He rued the day he first met Monica. 他后悔那天他初次遇见了莫尼卡。 [SYN]regret 同义词为 regret