have second thoughts
US /hæv ˌsek.ənd ˈθɑːts/
UK /hæv ˌsek.ənd ˈθɑːts/

1.
avere dei ripensamenti, cambiare idea
to change your mind about something, or to start to doubt a decision you have made
:
•
I was going to buy that car, but I'm starting to have second thoughts.
Stavo per comprare quella macchina, ma sto iniziando ad avere dei ripensamenti.
•
She agreed to the plan, but later she had second thoughts.
Ha accettato il piano, ma in seguito ha avuto dei ripensamenti.