"Behave yourself /"Watch you manner."/"Watch your P's and Q's"./"Don't get fresh."
劝人要有礼貌和行为检点
used of persons and their behavior; cultivated and genteel.
用来指人和他们的行为；有礼貌的，有教养的。
We say that a person has good manners if he or she behaves politely and is kind and helpful to others.
如果一个人行为有礼貌，待人和善而且乐于帮助别人，我们便说他或她有礼貌。
I believe a civilized man has good manners.
我相信文明的人必定行为举止有礼貌。
ill-mannered and coarse and contemptible in behavior or appearance.
行为和外表粗野可鄙、没有礼貌。
an impolite act or expression.
没有礼貌的行为或表情。
civilized society, behaviour
有礼貌的社会、 行为.
the trait of behaving with reserve and decorum.
行为含蓄而且有礼貌。
A person with good manners is always kind and polite.
有礼貌的人总是和和气气，彬彬有礼的。
She shall educate her children to talk politely to adult.
她应该教她的孩子和大人说话要有礼貌。
Don't talk back to your grandmother when she is giving you advice. You should be polite to your elders.
当你的祖母向你提出劝告时，不要预嘴，(你)对长辈要有礼貌。
Marked by or showing consideration for others, tact, and observance of accepted social usage.
有礼貌的以为他人着想、圆滑和遵守被接受的社会规范为特征的或表现出这些特点的
Americans feel that the first rule of being a courteous guest is to be prompt.
美国人认为准时是作一个有礼貌的客人所要遵循的首要原则。
You might as well be polite when you speak to people.
你与人说话时还是礼貌点为好。
He was politely told to get a steady girlfriend and settle down.
有人礼貌地规劝他找一个固定的女朋友，安定下来。
an act of honor or courteous recognition.
一种尊敬的行为或有礼貌的相认。
A polite gesture or remark.
殷勤有礼貌的行为或言辞
I won't have bad manners at this table.
在餐桌上不许有不礼貌的行为。