family name 姓氏
naming tradition 命名传统
genealogical record 谱系记录
A: Is surnaming a common practice in your culture?
A：在你们的文化中，起姓是一种常见的做法吗？
B: Yes, it is strictly regulated by tradition.
B：是的，它受到传统的严格约束。
1) 给某人定姓
2) 赋予姓氏的行为
3) 动词surname的现在分词形式
1. 给某人定姓；赋予姓氏
present participle / gerund
1. The act of assigning a surname to a person or group.