As they listened to this, they were enraged and ground their teeth at him.
In context
52Which of the prophets did your ancestors not persecute? They killed the men who foretold the coming of the Righteous One, and now you have betrayed and murdered him — 53you who received the law as it was ordained by angels, and did not keep it.” 54As they listened to this, they were enraged and ground their teeth at him. 55But he, full of the Holy Spirit, gazed into heaven and saw the glory of God, and Jesus standing at God’s right hand. 56“Look,” he said, “I see the heavens opened, and the Son of Man standing at the right hand of God.”
