Lee got on his horse and rode slowly back to his army.

VOA: special.2009.12.24

A mule is not spending 1/2 of its time as a donkey, and 1/2 of its time as a horse, we don't see it flickering back and forth between the two, that's not what we see.

骡子并不是一半的时间是驴，另一半的时间是马，我们不会看到它在两者之间来回变化，这不是我们所看到的情况。

麻省理工公开课 - 化学原理课程节选

So there is this story about his Uncle Hoskins who takes his horse and cart with Richard in the back and drives it into the middle of the Mississippi River as a kind of practical joke on Richard.

有个故事是关于他的叔叔Hoskins的,他让理查坐在他的马车后,却连人带车掉到密西西比河里,这被作为了一个理查的真实笑话。

耶鲁公开课 - 1945年后的美国小说课程节选