I ought to have seen him as I came down, but I had been bent over, peering at the ground with the fountain pen flash, trying to read tire marks by a light the size of a quarter.

我本来应该在下来时看到他的，但我弯着腰，用钢笔的闪光灯盯着地面，试图用 25 美分硬币大小的灯看轮胎标记。