in one's tracks

in one's tracks  {adv. phr.},  {informal}

1. Именно там, где кто-л. находится в данный момент; вдруг, внезапно; тотчас же.

The hunter's rifle cracked and the rabbit dropped in his tracks.

Mary stopped dead in her tracks, turned around, and ran back home.

Син.: ON THE SPOT (1), THEN AND THERE.

2. См.: FOLLOW IN ONE'S FOOTSTEPS.