post-horse

n. horse kept at a stage of a journey foruse by carriers of post or travellers 驿站的马。
△2H.IV.Ind. 4:“Making the wind my post-horse，”把风当做我的驿马。
with post-horse:i.e.by the swiftest possible means.as quickly as possible 用驿马，（即）以最迅速的方法，尽可能快地。
△R.III.1.1.144 (145): “He cannot live,I hope,and must not die / Till George be pack’d with post-horse up to Heaven.”他活不下去了，我希望，但也不要马上就死，且让他先尽快地把乔治送上天堂再说。