Definition
To be extremely obstinate or unyielding in one's opinions or actions.
倔得像頭驢子
He is as stubborn as a mule; he won't listen to anything I say.
他固执得像头骡子；他根本听不进我说的话。
She sticks to her ideas, as stubborn as a mule, and refuses to change her mind.
她坚持自己的想法，固执得像头骡子，拒绝改变主意。
Don't try to convince him anymore; he's as stubborn as a mule.
别再试图说服他了；他固执得像头骡子。