hate like poison ; extremely ruthless
It's a Chinese idiom. It means to hate to the bone or to be extremely ferocious. It comes from the romance of Fengshen.
explain
It is used to describe hatred or extreme ferocity.
source
The ninety second chapter of the romance of the gods by Xu Zhonglin of Ming Dynasty: "how dare the monkey head of Meishan make tricks! Hold on, you're going to be skinned and cramped. "
usage
As a predicate or attributive; of cruelty
hate like poison ; extremely ruthless
wading in deep water and treading on thin ice - lín shēn lǚ bó