impertinently       
adverb uk/ɪmˈpɜː.tɪ.nənt.li/ us/ɪmˈpɝː.t̬ən.ənt.li/
 (尤指对年长者或上级)不礼貌地,不敬地
in a rude way that does not show respect, especially towards someone older or in a higher position than you
  We now impertinently presume that professional women like her didn't exist in those days.  我们现在不客气地推断,像她这样的职业女性在那个时代是不存在的。 
 A guest asked me rather impertinently if the salmon I was serving was organic.  一位客人相当无礼地问我,我端上的这道菜选用的鲑鱼是不是有机的。 
 See: impertinent
 - More examples
 - She impertinently reminded him that he had himself made mistakes.
 - I hope you don't think me impertinently curious.
 - I would not impertinently speculate on the dynamics of someone's relationships.
 - "Where does your husband get his money, my dear?" he asked, impertinently.