1、regret英[r??ɡret]美[r??ɡret]，n.后悔; 遗憾; 懊悔; 痛惜; 失望;v.懊悔; 感到遗憾; 惋惜; 有礼貌地或正式地表示抱歉、痛惜或悲伤。
2、[例句]He was to regret that decision for the rest of his life.他终生都将后悔作出了那一决定。