保持良好的礼貌
good manners───很有礼貌；良好的习惯，有礼貌
keep good───保持良好
manners───n.(Manners)人名；(英、瑞典)曼纳斯；n.礼貌（manner的复数形式）
despiser of good manners───不讲礼貌的人
civility and good manners───文明礼貌
keep good time───v.（钟、表）走得准
keep good company───结交好朋友
Keep good skin───保持好皮肤
a treatise on good manners───关于礼貌的论文
Also, Do you keep your good manners?───还有，你有没有注意该有的礼貌？
They always show good manners and keep silent when they ride with others in the elevators that all company members use.───在大厅碰到他们时，他们显得友好、稳重、知足，而他们和别人一起乘公用电梯时，总是彬彬有礼，沉默寡言。
It is significant to keep good manners to any visitors at any time.───不论何时，都要对任何来访者保持良好的待人接物的风范，这点非常重要。
I think, as a student in Shanghai, we should learn to be a gentle person and keep good manners from now on.───我觉得作为一个上海的学生，我们应该学会是一个很温和的人，不断从现在起，良好的礼仪。
I think, as a college student, we should learn to be a gentle person and keep good manners from now on.───我觉得，作为一名大学生，我们应该学会是一个很温和的人，不断从现在起良好的举止。