on the go
  走來走去,在活動,在忙碌
  Go, n.
  1. Act; working; operation. [Obs.]
     So gracious were the goes of marriage.   --Marston.
  2. A circumstance or occurrence; an incident. [Slang]
     This is a pretty go.   --Dickens.
  3. The fashion or mode; as, quite the go. [Colloq.]
  4. Noisy merriment; as, a high go. [Colloq.]
  5. A glass of spirits. [Slang]
  6. Power of going or doing; energy; vitality; perseverance; push; as, there is no go in him. [Colloq.]
  7. Cribbage That condition in the course of the game when a player can not lay down a card which will not carry the aggregate count above thirty-one.
  8. Something that goes or is successful; a success; as, he made a go of it; also, an agreement.
     =\“Well,” said Fleming, “is it a go?”\=    --Bret Harte.
  Great go, Little go, the final and the preliminary examinations for a degree. [Slang, Eng. Univ.]
  No go, a failure; a fiasco. [Slang] --Thackeray.
  On the go, moving about; unsettled. [Colloq.]
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  on the go
       adj : (of a person) very busy and active; "is always on the go"
             [syn: on the go(p)]