the marriage of one’s sons and daughters ? ～，大事都完了。(冰心《南歸》)My sons and daughters had all got married. Therefore the big events in the family were all over.
男婚女嫁nán hūn nǚ jià
指男女的婚姻大事。A man should take a wife and a woman should take a husband. the marriage of one’s sons and daughters