For blasphemy - See the notes at Matthew 9:3.
Makest thyself God - See the notes at John 5:18. This shows how they understood what he had said.
Makest thyself - Dost claim to be God, or thy language implies this.
Related Commentaries of John 10:33
John 10:33
33 The Jews answered him, saying, For a good work we stone thee not; but for blasphemy; and because that thou, being a man, makest thyself God.