en_tn/act/02/05.md

godly men

people who wanted to honor and or worship God

every nation under heaven

"every nation in the world"

when this sound was heard

This refers to the sound that was like a strong wind. This can be translated with an active verb: "when they heard this sound." (See: rc://en/ta/man/translate/figs-activepassive)

the multitude

"the large crowd of people"

Galileans

This can be translated as "from Galilee."