en_tn/deu/31/04.md

he did to Sihon and to Og

AT: "he did to Sihon and Og and their armies" (See: rc://en/ta/man/translate/figs-metonymy)

to Sihon and to Og, the kings of the Amorites

See how you translated these names in Deuteronomy 1:3.

Be strong and of good courage

"Be strong and courageous"

fear not, and do not be afraid of them

Moses repeats this for emphasis. AT: "and do not fear them at all" (See: rc://en/ta/man/translate/figs-doublet)

he will not fail you

AT: "he will always fulfill his promise to you" (See: rc://en/ta/man/translate/figs-litotes)