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

Outlearn \Out*learn"\, v. t.
   1. To excel or surpass in learing.

   2. To learn out [i. e., completely, utterly]; to exhaust
      knowledge of.

            Naught, according to his mind, He could outlearn.
                                                  --Spenser.

            Men and gods have not outlearned it [love].
                                                  --Emerson.