倾诉 qīngsù to say everything (that is on one's mind)

How to remember 倾诉: 倾 to upset + 诉 tell = to say everything (that is on one's mind).

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To pour out one's heart, unburden feelings to a listener - 向朋友倾诉 (xiàng péngyǒu qīngsù) to pour out one's heart to a friend.
The 倾 (pour) captures emptying everything held inside - troubles, sorrows, love. Emotional, warm register.
Objects are inner feelings (倾诉衷肠, 倾诉苦水). Contrast 抱怨 (bàoyuàn, to complain) - 倾诉 is heartfelt confiding, not griping.