改悔

例句：

1. 1. I regret not havingtaken the chance to meet you earlier.
   我后悔没有早点遇到你。
2. 2. Shefelt a deep sense ofremorse for her actions.
   她对自己的行为深感懊悔。
3. 3. Hemade a promise and now he feels likehe should have kept it.
   他曾经许下承诺，现在却觉得自己应该遵守承诺。