discourtesy

名词 discourtesy:

1. an expression of lack of respect
   同义词：disrespect
2. a manner that is rude and insulting
   同义词：rudeness
3. a lack of politeness; a failure to show regard for others; wounding the feelings or others
   同义词：offense, offence, offensive activity

1. I must apologize for my discourtesy in arriving late.
   我要为迟到失礼而道歉。

dis.cour.te.sy

n.（名词）
【复数】 dis.cour.te.sies
Lack of courtesy; rudeness.
无礼，失礼；粗鲁
A rude act or statement.
无礼粗鲁的举动或状况