dead in (someone's) tracks

Translations
остановиться как вкопанный
The deer froze dead in its tracks when it saw the headlights.
Олень застыл как вкопанный, когда увидел фары.
Definitions
To stop suddenly and completely, often due to surprise, fear, or shock, as if frozen in place.
Words
track

noun
трек
dead

adjective
мертвый