n.无礼；无礼貌；粗鲁的言行
Jim felt guilty about his discourtesy. 吉姆对自己的失礼感到愧疚。
I must apologize for my discourtesy in arriving late. 我要为迟到失礼而道歉。
She felt she had committed a discourtesy. 她觉得自己做了一件不礼貌的事。
He was insensitive to all kinds of discourtesy. 他脸皮很厚，对随便什么侮辱都不在乎。
