What do you mean by the most poisonous woman's heart

It means: the most poisonous person in the world is a woman. Women are more aggressive than poisonous snakes and wasps. The last sentence of the most poisonous woman's heart is "the wasp's tail is behind the needle"

China's poem comes from the novel Romance of Gods. The whole poem reads: "the mouth of a bamboo snake, the tail of a wasp with a needle." Both are acceptable (both are not toxic) and are the most toxic to women's hearts. " Describe a woman with a vicious heart.