英语情景对话：
A: Your ring is very beautiful.
你的戒指非常平好看。
B: Thank you. It has been handed down in my family for three generations.
谢谢，他是我们家里三代传下来的。
A: Oh, it is precious.
哦，那太珍贵了。
B: It surely is.
当然啦。
习语：hand down
解词释义：hand down的本义是“往下传递，搀扶下去”，引申为“世代相传”。
拓展讲解：在美国还有“正式宣布，宣判，颁布”的意思。
支持范例：
（1）世代相传
The house have been handed down from father to son since the nineteenth century.
自19世纪该住宅就由父亲传给儿子。
The antique have been handed down to them from one generation to another.
这些古董世代相传传到了他们手里。
We must always uphold the glorious tradition of plain living and hard struggle and hand it down from generation to generation.
我们必须保持艰苦奋斗的光荣传统并一代一代传下去。
（2） 正式宣布，宣判，颁布
The city council will hand down the budget on Monday.
市政议会星期一将正式颁布预算。
If the courts don't hand down the death penalty, I can't hang anyone.
假如法院没有死刑判决，我绞死谁去！
The board of directors will hand down its decision on Monday.
董事会在星期一将会下达它的决定。
