Hence, you see, my double deduction that you had been out in vile weather, and that you had a particularly malignant boot-slitting specimen of the London slavey.

因此，你瞧，我就得出这样的双重推断，认为你曾经在恶劣的天气中出去过，以及你穿的皮靴上出现的特别难看的裂痕是伦敦年轻而没有经验的女佣人干的。