confide in
US /kənˈfaɪd ɪn/
UK /kənˈfaɪd ɪn/

1.
confiar en, desahogarse con
to tell someone about a secret or private matter, trusting them not to repeat it to others
:
•
She felt she could confide in her best friend about anything.
Sentía que podía confiar en su mejor amiga para cualquier cosa.
•
It's important to have someone you can truly confide in.
Es importante tener a alguien en quien puedas confiar de verdad.