afoot /əˈfʊt/
  (a.)徒步的,在準備中,在進行中的(ad.)在準備中,在進行中
  A·foot adv.
  1. On foot.
     We 'll walk afoot a while.   --Shak.
  2. Fig.: In motion; in action; astir; in progress.
     The matter being afoot.   --Shak.
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  afoot
       adj 1: traveling by foot; "she was afoot when I saw her this
              morning" [syn: afoot(p)]
       2: currently in progress; "there is mischief afoot"; "plans are
          afoot"; "preparations for the trial are underway" [syn: afoot(p),
           underway]
       adv : on foot; walking; "they went to the village afoot"; "quail
             are hunted either afoot or on horseback"