礼尚往来

Explanation: There should be a formality to have to. Now also refers to the practice of answering the same attitude or the other. 　　Usage: The main predicate; as the predicate attribute; for relationships 　　Source: Han Dai Holy "Book of Rites ceremony song": "reciprocity, to not come, reciprocate; to not to also reciprocate." 　　Examples: Wenqing show consideration for fellow's face, the only thing ~, barely perfunctory. (Qing Zeng Pu, "Flower" The Sixth Round) 　　Results: Returning the favor; had cattle but also horses 　　Postscript: Returning the favor; have cattle but also horses 　　Riddle: Teachers who are respected Thesaurus:  render good for evil, Formality, amid fire and thunder, supply each other's needs, If you'll scratch my back, I'll scratch yours., Whether communicate, shed grateful tears, be grateful to sb.and seek ways to return his kindness, thankfully, be deeply grateful for, worship sb. or sth., steadiness, One hand washes another, Mountain waste Remote places, blazing, be head over heels in love, Neglect of sound Q, justice in return for injustice, bless bear kindness, pay an old sore Antonym Group:  Pull a tree ladder, Not in flatter, free flatter, not know chalk from cheese, undiscriminating, fail to appreciate sb's kindness, two innocent playmates, Yajiandiebei, cook the hound when the hares have been run down, Xiemoshalv, be very much in love, Yajiandiebei, forget the means by which the end is attained, Tsuen may forget the fish, s hair twisted in a knot companion in adversity, parental betrothal; the two (the boy and the girl) had been engaged to each other before they were born, Aijiandiebei, Aijianbingzu, Suffer shoulder Cabei, Aijiancabang, Aijiandiebei, There was no retreat into, Ji River Fen Zhou, Bamboo horse at the turn of, Hobbyhorse Friends, fall out callosity, Erbinxiangmo, Huotupenggou, Bridge Pumping plate, kick down the ladder, Childhood, cast sb.aside when be has served his purpose; kick sb. out after his services are no longer required,as the bow and arrow are stacked away when there are no more birds to shoot, Pigeon Car Zhuma