be as stubborn as a mule
US /bi æz ˈstʌbərn æz ə mjuːl/
UK /bi æz ˈstʌbərn æz ə mjuːl/
1.
像騾子一樣固執, 非常頑固
to be very stubborn and unwilling to change one's mind or opinion
:
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You can try to convince him, but he'll be as stubborn as a mule.
你可以試著說服他，但他會像騾子一樣固執。
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My grandfather used to be as stubborn as a mule when it came to new technology.
我爺爺在面對新技術時總是像騾子一樣固執。