Serezha grew thoughtful as he peered into the hall-porter's face, which he had studied in minute detail – especially the chin which hung beneath the grey whiskers and which no one saw but Serezha, who always looked up at him.
Sergio quedó pensativo y escudriñó el conocido rostro del portero hasta en sus menores detalles, en especial su barbita entre las dos patillas, en la que nadie reparaba excepto Sergio, que la miraba siempre desde abajo.