资料来源 : pyDict

天真地;质朴地;无邪地

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

Naively \Na"["i]ve`ly\, adv.
   In a na["i]ve manner.

资料来源 : WordNet®

naively
     adv : in a naive manner; "he believed, naively, that she would
           leave him her money"