天作之合

Explanation: All: cooperation. God seems to give the arrangements, it is a perfect match together. I wish people would happily married. 　　Usage: Partial official; as object, attribute; with compliment, I wish people would happily married 　　Source: "Book of Daya and that": "King Wen first set, a perfect match." 　　Examples: In elder brother, I was with you "~", the same year, better than ordinary brothers. (Qing Wu Jingzi "Scholars" seventh back) Thesaurus:  happy good chance or good match for marriage, Good olden, The margin of Qin Jin, an important event in one’ s life, Qinhuanjinai