rooted to the spot

US /ˈruːtɪd tu ðə spɑt/
UK /ˈruːtɪd tu ðə spɑt/
"rooted to the spot" picture
1.

呆若木雞, 動彈不得

unable to move because of fear, surprise, or other strong emotion

:
She was so scared that she was rooted to the spot.
她嚇得呆若木雞
He stood rooted to the spot, watching the car drive away.
呆立原地,看著汽車開走。