If she once decides to do something, you won't change her mind.

她一旦决定干什么，谁也改变不了她的主意。

《牛津词典》

youdao

I waited all day in the fond hope that she would change her mind.

我整天等待，痴心地希望她会回心转意。

《牛津词典》

And so you know that if only you were to read these things in the envelope, you would change your mind and no longer want to go out with her.

所以你知道,只要你看了信封里的内容，你会改变主意,不再想和她约会。

耶鲁公开课 - 死亡课程节选

He stressed that the investigation is continuing and the bus monitor could change her mind.

CNN: STORY HIGHLIGHTS

She wanted to be able to change her mind, wanted him to change her mind.

NEWYORKER: Temporary

Neither of the children have indicated that they had tried to persuade their mother to change her mind.

BBC: Sonia Gandhi supporters