Eventually, though, Gregor realised that he had no choice as he saw, to his disgust, that he was quite incapable of going backwards in a straight line; so he began, as quickly as possible and with frequent anxious glances at his father, to turn himself round.
Finalmente, no le quedó a Gregorio otra solución, pues advirtió con angustia que andando hacia atrás ni siquiera era capaz de mantener la dirección, y así, mirando con temor constantemente a su padre de reojo, comenzó a darse la vuelta con la mayor rapidez posible, pero, en realidad, con una gran lentitud.