1. Mother is kind and her son is filial: Mother is kind and loving to her children, and children are filial to their parents. This is the moral code advocated by feudal society; meaning;

3. Husband sings and wife follows: It originally refers to the feudal society's belief that wives must obey their husbands, and later it is a metaphor for husband and wife to get along harmoniously;

4. Harmony of harp and harp: The harp and harp are played at the same time, and the sound is harmonious. . It is a metaphor for the love between husband and wife;

5. Scholarly family: In the old days, it referred to a family with scholars in the previous generations.