The boy had some slight difficulty in undoing the heavy iron gates, and we heard the hoarse roar of the doctor's voice and saw the fury with which he shook his clinched fists at him.
El cochero tuvo alguna dificultad para abrir las pesadas puertas de hierro, y pudimos oír el áspero rugido del doctor y ver la furia con que agitaba los puños cerrados, amenazándolo.