in·ad·ver·tent /-tṇt/
  (a.)不注意的,怠慢的,不慎的,非故意的
  In·ad·vert·ent a.  Not turning the mind to a matter; heedless; careless; negligent; inattentive.
  An inadvertent step may crush the snail
  That crawls at evening in the public path.   --Cowper.
  -- In*ad*vert*ent*ly, adv.
  ◄ ►
  inadvertent
       adj : without intention (especially resulting from heedless
             action); "with an inadvertent gesture she swept the
             vase off the table"; "accidental poisoning"; "an
             accidental shooting" [syn: accidental]