en_tn_condensed/act/19/08.md

Paul went into the synagogue and spoke boldly for three months

"Paul regularly attended the synagogue meetings for three months and spoke there boldly"

reasoning and persuading them

Probable meanings are 1) the words "reasoning" and "persuading" mean "arguing persuasively" or 2) the words describe two separate activities, "giving them reasons to believe" and "convincing them"

about the kingdom of God

"about God's rule as king" or "about how God would show himself as king"