obliv·i·ous /-viəs/
 (a.)忘卻的,忘記的,健忘的,不注意的
 Ob·liv·i·ous a.
 1. Promoting oblivion; causing forgetfulness. “The oblivious pool.”
    She lay in deep, oblivious slumber.   --Longfellow.
 2. Evincing oblivion; forgetful.
    Through are both weak in body and oblivious.   --Latimer.
 -- Obliv*i*ous*ly, adv. -- Ob*liv*i*ous*ness, n.
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 oblivious
      adj 1: (followed by `to' or `of') lacking conscious awareness of;
             "oblivious of the mounting pressures for political
             reform"; "oblivious to the risks she ran"; "not
             unmindful of the heavy responsibility" [syn: oblivious(p),
              unmindful(p)]
      2: failing to keep in mind; "forgetful of her
         responsibilities"; "oblivious old age" [syn: forgetful]