Of course a first-class half-miler, a man who can beat two minutes, must be possessed of a fair amount of speed, but endurance must be cultivated at all hazards.
当然，要成为一流的半英里跑步选手（在两分钟内跑完），就必须要有足够快的速度，并且要不惜一切代价地培养耐力。