en_tn_condensed/act/12/23.md

Immediately an angel

"Right away an angel" or "While the people were praising Herod, an angel"

struck him

"afflicted Herod" or "caused Herod to become very ill"

he did not give God the glory

Herod let those people worship him instead of telling them to worship God.

he was eaten by worms and died

Here "worms" refers to worms inside the body, probably intestinal worms. This can be stated in active form. Alternate translation: "worms ate Herod's insides and he died" (See: rc://en/ta/man/translate/figs-activepassive)