be ashamed of oneself for

例句：

1. 1. She was ashamed of her mistakes and decided tomake amends.
   她为自己的错误感到羞愧，决定弥补。
2. 2. He felt ashamed for not being able to finish theproject on time.
   他因为没能按时完成项目而感到羞愧。
3. 3. The young girl wasashamed of her poor gradesand worked hard to improve them.
   这个年轻的女孩因为她的低分而感到羞愧，并努力提高成绩。