发音相同: /mjuːl/,/mʌm/

He is such a mule that he doesn't listen to advice.

他真是个太顽固的人了,听不进劝告。He's as stubborn as a mule.

他像骡子一样倔。

A mule is the product of a horse crossed with a donkey.

骡是马和驴杂交的产物。I'll ask my mum if I can go.

我会问我妈妈我可不可以去。

My mum says I can't go.

我妈说我不能去。