pour your heart out idiom
倾诉（通常因为感到十分需要向人倾诉，而把心底的感觉和忧虑的事情说出来）
to tell someone your secret feelings and things that worry you, usually because you feel a strong need to talk about them
I poured my heart out to him and then he told all his friends what I'd said. 我毫无保留地告诉他我的感受，可他随后就把我的话告诉了他所有的朋友。