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

1.
cambio de opinión, cambio de parecer
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.
Iba a vender su coche, pero luego tuvo un cambio de opinión.
•
After hearing their plea, the judge had a change of heart and reduced the sentence.
Después de escuchar su súplica, el juez tuvo un cambio de opinión y redujo la sentencia.