同母异父 tóng mǔ yì fù

DEFINITIONS

  1. (of siblings) having the same mother but different fathers
  2. half (brother or sister)

CHARACTERS

同 tóng
HSK 1
same, similar; together with
母 mǔ
HSK 4
mother; female elders; female
异 yì
HSK 6
different, unusual, strange
父 fù
HSK 4
father; KangXi radical 88