A long-standing, hereditary friendship between families, often initiated by their ancestors having been contemporaries in significant life events, such as passing imperial examinations together.
我们两家是年谊世好，祖父辈就认识，所以关系一直很亲密。
Our two families share a hereditary friendship; our grandfathers knew each other, and our bond has remained very close ever since.
Era:
Early Modern
Frequency:
Next Idiom