be riveted to the ground
To be immobilized by fear or surprise. A: "Why didn't you move when that dog lunged at you?" B: "I don't know, I was just riveted to the ground!"
be riveted to the spot
To be immobilized by fear or surprise. A: "Why didn't you move when that dog lunged at you?" B: "I don't know, I was just riveted to the spot!"
be ˌriveted to the ˈspot/ˈground
be so shocked or frightened that you cannot move: As he walked away, she wanted to run after him but she felt frozen, riveted to the spot.