番

    fān

    1. Bound formforeign (non-Chinese); barbarian (bound form)
    2. Measure wordclassifier for processes or actions that take time and effort
    3. a kind; a sort (classifier)
    4. (classifier) (used after the verb 翻 fān to indicate how many times a quantity doubles)

      翻一番 Fān yī fānto double