剜心頭肉

Simplified: 剜心头肉

wānxīntóuròu ㄨㄢ ㄒㄧㄣ ㄊㄡˊ ㄖㄡˋ

    • to take away what someone treasures most, causing deep pain

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
gouge out the flesh of the heart
Meaning
To take away what someone treasures most, causing deep pain. Said of losing a beloved person or thing.

Sources