have a good manner meaning in Chinese

懂礼貌

To visit the senior always make pupil has a " socialized grown up " , learning how to make up with people and have a good manner
访问年长者也往往让学生有社会性的成长，学习对话和与人相处之礼仪。
You don t even know how to be a human yet , let alone to be a saint . you don t know how to be a good friend yet and you want to teach humankind . you don t have enough logic to teach yourself how to have a good manner within the society and you dare to teach anyone
你们尚且不知如何当人，更别提当圣人了，你们尚且不知待友之道，还想教育别人，你们没有足够的逻辑来教育自己，不知适度的应对进退，还敢教育别人？