复数： discourtesies

She felt she had committed a discourtesy .

她觉得自己做了一件不礼貌的事。

I must apologize for my discourtesy in arriving late .

我要为迟到失礼而道歉。

During the national civic virtues month , all the cities should clean up , and banish disarray and discourtesy .

在全国文明礼貌月中，所有城市必须搞好卫生，清除混乱和不礼貌现象。

Jim felt guilty about his discourtesy .

吉姆对自己的失礼感到愧疚.

A slow courtesy is a discourtesy .

迟来的礼貌就是失仪。