离心七寸入骨七分
[lí xīn qī cùn rù gú qī fēn]
It refers metaphorically to heartache and physical longing. A traditional Chinese expression indicating deep emotions, where 'seven cun from heart' symbolizes near the heart area and 'seven points deep into bone' expresses intensity. Overall, it emphasizes intense pain stemming both from the heart and deep within.