afield /əˈfi(ə)ld/
 (ad.)至野外,在田野,至遠方
 A·field adv.
 1. To, in, or on the field. “We drove afield.”
    How jocund did they drive their team afield!   --Gray.
 2. Out of the way; astray.
    Why should he wander afield at the age of fifty-five!   --Trollope.
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 afield
      adv 1: far away from home or one's usual surroundings; "looking
             afield for new lands to conquer"- R.A.Hall [syn: abroad]
      2: in or into a field (especially a field of battle); "the
         armies were afield, challenging the enemy's advance";
         "unlawful to carry hunting rifles afield until the season
         opens"
      3: off the subject; beyond the point at issue; "such
         digressions can lead us too far afield"