<prompt> Translate the following text to SwahiliThe finely arched front doors are often at the top of a sturdy staircase over the street-level cellar.  <response>: Mara nyingi milango ya mbele yenye umbo la upinde iko juu ya ngazi yenye nguvu iliyo juu ya chumba cha chini cha ardhi kilicho kwenye usawa wa barabara. 