rooted to the spot
US /ˈruːtɪd tu ðə spɑt/
UK /ˈruːtɪd tu ðə spɑt/

1.
inchiodato al suolo, paralizzato
unable to move because of fear, surprise, or other strong emotion
:
•
She was so scared that she was rooted to the spot.
Era così spaventata che rimase inchiodata al suolo.
•
He stood rooted to the spot, watching the car drive away.
Rimase inchiodato al suolo, guardando l'auto allontanarsi.