自我修养

例句：

1. 1. He is committed to self-improvement and has been working onhis English for years.
   他致力于自我提升，多年来一直在提高他的英语水平。
2. 2. Self-improvement is essential for personal growth.
   自我提升对于个人成长至关重要。
3. 3. She decided totake a self-improvement courseto improve her skills in public speaking.
   她决定参加一个自我提升课程来提高她的公共演讲技巧。