an offence against decency [ good manner ]

• 无礼； 没规矩

an offence against decency [ good manner ]的用法和样例：

例句

1. That young man has an abrupt manner.
   那个年轻人态度很无礼。
2. He will consider it an impertinence.
   他会觉得这是无礼的举动。