without remorse

例句：

1. 1. He apologized for his mistake without remorse.
   他为自己的错误毫无悔意地道歉。
2. 2. She made a decision without remorse and moved forward with her plans.
   她做出了决定，毫不后悔，并继续前进。
3. 3. The couple had a difficult time but finally decided to move on without remorse.
   这对夫妇经历了一段艰难的时期，但最终决定毫不后悔地继续前行。