recoil at the sight
recoil at the sight (of someone or something)
To shrink back, cower, or cringe upon seeing someone or something. Children recoiled at the sight of the man after his face was disfigured in that accident. We all recoiled at the sight of such a gruesome accident. Some may recoil at the sight, but blood and gore has never bothered me in the slightest. I suppose it's part of the reason I got into forensic pathology.
recoil at the sight (of someone or something)and recoil at the thought (of someone or something)
Fig. to flinch or cringe at the sight or thought of someone or something. Sally recoiled at the sight of Gerry, who had said something unspeakable. Mary recoiled at the very thought.