羞人

例句：

1. 1.I'm sorry to have let you down, but it was the best I could do.
   很抱歉让你失望了，这是我能做出的最好选择。
2. 2. She felt embarrassed when she realized her mistake.
   当她意识到自己的错误时，她感到尴尬。
3. 3. He was too ashamed to look anyone in the eye.
   他太羞愧了，不敢直视任何人的眼睛。