To "倾诉" in English means to confide or to unburden oneself. This comes from the verb "倾诉," which means to pour out or to open up to someone. Here are some examples of this word in action:

She confided her secrets to her best friend. (她向她最好的朋友倾诉了她的秘密。)

He unburdened himself of his feelings to his therapist. (他向他的治疗师倾诉了他的感受。)

I poured out my heart to my mom. (我向我妈妈倾诉了我的心事。)

She opened up to her classmates about her struggles. (她向她的同学倾诉了她的困难。)