It's bad manners to talk with a full mouth.

嘴里吃着东西说话是不。

It was a case of monumental bad-manners.

那是极不事例。

It's not polite to stare at a girl in the face.

盯着姑娘脸瞧是不。

It’s impolite to gibe at a foreign student’s English.

嘲笑外国学生英语是不。

It's rude to put out your tongues at people.

对吐舌头是不。

"People, especially youngsters don't seem so polite these days."

"今们,尤其是年青好象不那么讲了。"

It is not polite to interrupt a speaker with frequent questions.

不断提问打断演讲者是不。

It is impolite to get a word in.

谈话时插嘴是不。

It’s impolite to make a tardy appearance.

晚到是不。

It's not polite to howl down a speaker.

大喊大叫妨碍讲话是不。

It is rude to grab a seat.

抢占座位是不。

He wasn’t just impolite—he was downright rude.

他不仅仅是不，而是无透顶。

It's rude to stare at people.

盯着看不。

It is rude to snatch.

攫夺是不。

It is rude to point.

指指点点是不。

It's rude to point.

用手指是不。

It is rude to interrupt.

打断话，是不。

S-politeness is insulting.

故意要表示等于是不。

Because rude behavior in children is more often the thoughtlessness than of deliberate aggression, criticism， namecalling and orders only make a child angry and defensive.

孩子不行为往往是缺乏考虑结果，而不是故意冒犯，批评辱骂和命令只会使他们恼怒，产生抵触情绪。