# 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

"convincing people with convincing arguments and with clear teaching"

# about the kingdom of God

Here "kingdom" stands for God's rule as king. Alternate translation: "about God's rule as king" or "about how God would show himself as king" (See: [[rc://en/ta/man/translate/figs-metonymy]])