And it was an old track, but for fun he turned and he began to follow it, and I tell you, I could tell by the speed at which he moved on those pad marks that this man was a Ph.D.-level tracker.
Erano vecchie impronte, ma per divertimento cominciò a seguirle, e vi assicuro, dalla velocità a cui si spostava su quelle tracce di cuscinetti era un segugio professionista.