Initially, I felt embarrassment. (Para.2)
Meaning: At first, I felt ashamed.
embarrassment: n. feeling ashamed, uncomfortable or anxious
In embarrassment he couldn't remember the reasons for visiting Nancy.尴尬之中，他记不起来拜访南希的理由了。
"I beg your pardon," said he, with some embarrassment. "对不起，" 他有点尴尬地说道。