impertinence       
noun [ C or U ] uk/ɪmˈpɜː.tɪ.nəns/ us/ɪmˈpɝː.t̬ən.əns/
 (尤指对年长者或上级)的无礼或不敬
behaviour that is rude and does not show respect, especially someone older or in a higher position than you
  She even had the impertinence to lecture Loretta on the importance of hygiene. 她甚至无礼地向洛蕾塔宣讲卫生的重要性。 
 He threw me out of his class for impertinence.  因为我的无礼,他把我赶出了他的课堂。 
 See: impertinent
 - More examples
 - They were denounced for impertinence and disloyalty.
 - He was fired for impertinence.
 - She cultivated tabloid reporters while at the same time complaining about their impertinences.
 - Forgive me if the question is an impertinence.