N-VAR 不礼貌;傲慢;莽撞 If someone talks or behaves in a rather impolite and disrespectful way, you can call this behaviour impertinence or an impertinence . 不礼貌;傲慢;莽撞
He was punished for his impertinence.
他因为冒失无礼受到惩罚。
SYN rudeness, nerve [informal], cheek [informal], face [informal]