en_tn/act/03/19.md

and turn

"and turn to the Lord." Here "turn" is a metaphor for starting to obey the Lord. AT: "and start obeying the Lord" (See: rc://en/ta/man/translate/figs-metaphor)

so that your sins may be blotted out

Here "blotted out" is a metaphor for forgiving. Sins are spoken of as if they are written in a book and God erases them from the book when he forgives them. This can be stated in active form. AT: "so that God will forgive you for sinning against him" (See: rc://en/ta/man/translate/figs-activepassive and rc://en/ta/man/translate/figs-metaphor)

periods of refreshing from the presence of the Lord

"times of relief from the presence of the Lord." Possible meanings are 1) "times when God will strengthen your spirits" or 2) "times when God will revive you"

from the presence of the Lord

Here the words "presence of the Lord" is a metonym for the Lord himself. AT: "from the Lord" (See: rc://en/ta/man/translate/figs-metonymy)