en_tn/ezr/03/03.md

established the altar on its stand

"mounted the altar on its stand" or "placed the altar on its stand so it would stay there"

terror was on them

"they were terrified"

because of the people of the land

You may need to make explicit what it was about the people of the land that made the Jews afraid. Alternate translation: "because they thought the people of the land wanted to attack them" (See: rc://en/ta/man/jit/figs-explicit)

They offered burnt offerings to Yahweh at dawn and evening

One of the first things the people did was to begin offering sacrifices. This was before the temple was rebuilt.