confide in (one)
To share one's secrets with someone, usually a trusted person unlikely to divulge them. Of course you can confide in me—I'm your best friend! This issue is just so embarrassing that I can't possibly confide in anyone about it.
confide in someone
to trust someone with one's secrets or personal matters. Sally always confided in her sister Ann. She didn't feel that she could confide in her mother.
confide something in someone
and confide something to someoneto tell a secret or private matter to someone, trusting that the person will not reveal the secret. I learned not to confide anything secret in Bob. Tom really needed to confide his inner fears to someone.