If you confide in someone, you tell them a secret.
例句
I knew she had some fundamental problems in her marriage because she had confided in me a year earlier...我知道她的婚姻存在一些根本性的问题，早在一年前她就向我倾诉过。He confided to me that he felt like he was being punished...他向我诉说他觉得自己像是在受罚。
英英词典释义
Adjective
1. willing to entrust personal matters;
"first she was suspicious, then she became confiding"