en_tn_condensed/rev/19/20.md

The beast was captured and with him the false prophet

"The rider on the white horse captured the beast and the false prophet"

the mark of the beast

This was an identifying mark that indicated that the person who received it worshiped the beast.

The two of them were thrown alive

"God threw the beast and the false prophet alive"

the fiery lake of burning sulfur

"the lake of fire that burns with sulfur" or "place full of fire that burns with sulfur"