en_tn/deu/09/16.md

behold

The word "behold" here shows that Moses was surprised by what he saw.

molded for yourselves a calf

The Israelites of the earlier generation had asked Aaron to make a metal calf so they could worship it. The full meaning of this statement can be made explicit. (See: rc://en/ta/man/jit/figs-explicit)

You had quickly turned aside out of the path that Yahweh had commanded you

Moses speaks as if obeying God's commands were walking along a path. See how you translated these words in Deuteronomy 9:12. Alternate translation: "You had quickly disobeyed what Yahweh had commanded you"