disown

1. V-T If you disown someone or something, you say or show that you no longer want to have any connection with them or any responsibility for them. 聲明與…脫離關(guān)系

The man who murdered the girl is no son of mine. I disown him. 謀殺那個女孩的人不配做我的兒子，我和他脫離關(guān)系。