In on of the dumpling she put a bean and said if you get the dumpling with bean you will have good luck.

她做了饺子。她在饺子里放一个豆和说吃豆就好运气。

youdao

I am not sure, but sometimes I understand they put a coin inside when they make dumplings, whoever eats the dumpling with the coin will have good luck.

可是，我知道有时候人们包饺子时也会把一个饺子里面包上一枚硬币。吃到这个饺子的人就会有好运。

youdao

I am not sure, but sometimes I understand they put a coin inside when they make dumplings, whoever eats the dumpling with the coin will have good luck.

可是，我知道有时候人们包饺子时也会把一个饺子里面包上一枚硬币。吃到这个饺子的人就会有好运。

youdao