报恩

例句：

1. 1.I will always be grateful for your help.
   我会永远感激你的帮助。
2. 2. She expressed her gratitude to the kind stranger who helped her.
   她向那位好心的陌生人表示感谢。
3. 3. He felt a deep sense of duty to repay the kindness shown to him.
   他感到有责任回报那些对他表现出的善意。