||When Aaron saw [this], he built an altar before [the calf]. Aaron made an announcement and said, 'Tomorrow, there will be a festival to God.'
Vayar Aharon vayiven mizbe'ach lefanav vayikra Aharon vayomar chag l'Adonay machar.
||Getting up early the next morning, [the people] sacrificed burnt offerings and brought peace offerings. The people sat down to eat and drink, and then got up to enjoy themselves.
Vayashkimu mimacharat vaya'alu olot vayagishu shlamim vayeshev ha'am le'echol veshato vayakumu letsachek.
According to some, he saw Chur (see Exodus 17:10, 31:2) being killed for trying to prevent the making of the Golden Calf (Sanhedrin 7a; Targum Yonathan; Rashi).
Or, 'sacrifice' (See note on Exodus 23:18).