英語翻譯：

regret; repent

例句：

1. 我很後悔不該說那話。
   I regret what I said.
2. 對自己的錯誤后悔到不致重犯的程度是真正的后悔。
   To regret one's errors to the point of not repeating them is true repentance.
3. 她做出決定后立即感到后悔。
   She immediately regretted her decision.
4. 抓住這個機會，否則你會后悔的。
   Seize the chance, otherwise you'll regret it.
5. 這個浪蕩子開始后悔他虛度了光陰。
   The vagabond began to regret his waste of time.
6. 我真的非常后悔。
   I really regret it.