以血洗血
yǐ​xuè​xǐ​xuè

an eye for an eye

  1. 以 yǐ preposition
    by means of
    to use; by means of; with; using the tool or method introduced
  2. 血 xuè noun
    blood
    The red fluid that circulates in the heart and blood vessels; used in formal contexts, compounds, or when used alone in spoken language.
  3. 洗 xǐ
    to clear away
    to clear away; to eliminate; to redress a wrong or clear one's name
  4. 血 xuè noun
    blood
    The red fluid that circulates in the heart and blood vessels; used in formal contexts, compounds, or when used alone in spoken language.