Both Tobias and Sarah say “Amen” twice. Amen is a way of affirming the prayer; so it may be expressed as “So be it!” “It is so,” or “We agree.”

Quoted with permission from Bullard, Roger A. and Hatton, Howard A. A Handbook on Tobit. (UBS Helps for Translators). New York: UBS, 2001. For this and other handbooks for translators see here.