They need a mule.

他们需要一头骡子。

youdao

She can be as stubborn as a mule.

她可以倔得像头骡子。

《牛津词典》

He's as stubborn as a mule.

他像骡子一样倔。

《牛津词典》

There were stage coach rides, living history programs and demonstrations of shoeing a mule.

VOA: special.2010.04.26

So most of you know, hopefully, that a mule is a combination of a donkey and a horse.

希望大部分同学都知道，骡子是驴和马的一种组合。

麻省理工公开课 - 化学原理课程节选

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

Having worked like a mule, you, the CIO, have not seen your family for six years.

FORBES: Magazine Article

"Like a mule to an airplane, " says the elder Effiinger of the H2's superiority.

FORBES: Flivver Beats Hummer

Until recently, the stony interior could only be explored on the back of a mule.

BBC: Oman��s sleepy Musandam Peninsula