资料来源 : pyDict

无靠背的,未驯服的,无助的,无支援的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Unbacked \Un*backed"\, a.
   1. Never mounted by a rider; unbroken. ``Unbacked colts.''
      --Shak.

   2. Not supported or encouraged; not countenanced; unaided.
      --Daniel.

资料来源 : WordNet®

unbacked
     adj : unsupported by other people [syn: {single-handed}, {unassisted}]