Then is a transitional marker frequently used in this Gospel; here it signals a shift in both audience (to the crowds and to his disciples) and subject matter. Translators can either drop it, retain it, or use a transition such as “After that.”

Quoted with permission from Newman, Barclay M. and Stine, Philip C. A Handbook on the Gospel of Matthew. (UBS Handbook Series). New York: UBS, 1988. For this and other handbooks for translators see here .