-dumbasawoodenchicken;asdumbasapieceofwood;asmotionlessasawoodenimage;beinsensatelikeawoodenchicken;beparalyzedwithfear;berootedtothespot;dumbstruck;dumbfounded;petrifiedrivet[root]totheground[spot];remaininastateofstupefaction;spaced-out;stand(motionless)likeastatue;standlikealog;standstilllikeapieceofwood;standtransfixed[stock-still]likeabaleofwood;transfixed(withfearoramazement):
Terrorrootedhimtotheground.他吓得呆若木鸡。