悔不当初 [huǐbùdāngchū]
[regret having done sth.] 因今日的不幸结果,而后悔当初的错失
悔改 [huǐgǎi]
[repent and mend one"s ways] 悔过,改正
悔过 [huǐguò]
[repent one"s error;be repentent] 认识到自己的错误,并感到懊悔
悔过自新 [huǐguò-zìxīn]
[repent and make a fresh start;repent and turn over a new leaf] 悔改错误,重新做人
剑南有光火盗,夜掠人,昼伏山谷。元常喻以恩信,约悔过自新。——《新唐书·冯元常传》
悔恨 [huǐhèn]
[regret deeply;deplore;repent;be remorseful] 对过去的事后悔怨恨
悔婚 [huǐhūn]
[break the promise of marriage] 订婚后一方废弃婚约
悔棋 [huǐqí]
[retract a false move in a chess game] 棋子下定后收回重下
悔悟 [huǐwù]
[realize one’s error and show repentance;awake to one"s errors] 后悔觉悟
悔之晚矣 [huǐzhīwǎnyǐ]
[It is now too late to regret;be too late for remorse] 待后悔为时已晚
不然,我亲自引兵来屠大梁,那时悔之晚矣!——明·冯梦龙《东周列国志》
悔罪 [huǐzuì]
[show repentance] 悔恨自己的罪恶