Definition of in one's tracks in English:

in one's tracks

  • informal Where one or something is at that moment; suddenly: Turner immediately stopped dead in his tracks
    More example sentences
    • Suddenly, he stops in his tracks as if he is getting a message from the great beyond.
    • Suddenly, I stopped in my tracks, causing some guy of roller blades behind me to serve and hit a rock on the pavement.
    • He suddenly stopped dead in his tracks with an extremely amused look on his face.
See parent entry: track

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space