“代代相传”常见的英文表达有 “be passed down from generation to generation” 或 “be handed down from one generation to the next”。
例如：
This traditional craft has been passed down from generation to generation. （这项传统工艺代代相传。）
The family recipes are handed down from one generation to the next. （这些家庭食谱代代相传。 ）