change of heart
US /tʃeɪndʒ əv hɑːrt/
UK /tʃeɪndʒ əv hɑːrt/

1.
改变主意, 回心转意
a change in one's attitude or opinion, especially a change from being negative to positive or from one decision to another
:
•
She was going to sell her car, but then she had a change of heart.
她本来要卖掉她的车,但后来她改变了主意。
•
After hearing their plea, the judge had a change of heart and reduced the sentence.
听了他们的请求后,法官改变了主意,减轻了刑罚。