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    unknown quantity

    US /ʌnˈnoʊn ˈkwɑntɪti/

    ・

    UK /ʌnˈnəun ˈkwɒntəti/

    B2
    n. phr.Someone or something whose abilities or effects are uncertain.
    The new player is an unknown quantity for the team this season.

    Video subtitles

    20 Unexplained Things Caught on Live TV

    17:4520 Unexplained Things Caught on Live TV
    • The individual appeared to be a groundsman tidying up the stadium after the game Is the fact that last season they're a bit of an unknown quantity.

      The individual appeared to be a groundsman tidying up the stadium after the game Is the fact that last season they're a bit of an unknown quantity.

    • Is the fact that last season they were a bit of an unknown quantity.

      Is the fact that last season they were a bit of an unknown quantity.

    B2