impertinent
adjective uk/ɪmˈpɜː.tɪ.nənt/ us/ɪmˈpɝː.t̬ən.ənt/
（尤指对年长者或上级）不礼貌的，不敬的
rude and not showing respect, especially towards someone older or in a higher position than you
I hope he didn't think I was being impertinent when I asked him about his private life. 当我询问他的私生活时，我希望他不要认为我没有礼貌。
an impertinent remark/question 不礼貌的评论／问题