give sb a thousand cuts; hack sb to pieces ❍ 黄世仁哪，黄世仁！ ～心不甘。(《白毛女》100) Landlord Huang—To be cut into pieces is too good for you!/不，比畜牲还不如！ 非～不解恨哪！ (杨佩瑾《剑》83) They are worse than beasts!The only way for them to repay this is by a long slow painful death!
千刀万剐qian dao wan gua
be hacked to pieces
千刀万剐qiān dāo wàn ɡuǎ
剐：封建时代的一种酷刑，把人的身体割成许多块。多是因仇恨他人而说的咒语。tear sb. to pieces, hack sb. to pieces, cut sb. into pieces