1. It is bad manners to interrupt.
   打断别人的话是不礼貌的。
2. Bad manners may offend.
   粗暴无礼可能触怒他人。
3. It's bad manners to be rude to people.
   粗鲁地对待别人是坏习惯。
4. Bad manners often reflect on one's parents.
   粗野无礼常给做父母的丢脸。
5. It's Bad manners to talk with a full mouth.
   嘴里吃着东西说话是不礼貌的。

　1个名词解释