unaided

adj．无助的

un-, un-American, unabashed, unabated, unable, unabridged, unacceptable, unacceptably, unaccommodating, unaccompanied, unaccountable, unaccountably, unaccounted, unaccustomed, unacknowledged, unadopted, unadulterated, unaffected, unaffordable, unafraid, unalloyed, unalterable, unaltered, unambiguous, unanimity, unanimous, unanimously, unannounced, unanswerable, unanswered, unanticipated, unappreciated, unapproachable, unarmed, unarticulated, unashamed, unashamedly, unasked, unasked for, unassailable,