naif

1. Their gee-whiz, faux-naif comportment is not always convincing ( Madison Bell) Characterized by false pathos and sentiment.
   他们耸人听闻的，假纯朴的表现并不总是有说服力的（麦迪逊贝尔）
2. Children's world is full of joyfull, fun, naif
   小孩子的世界是多么无邪，多么天真，多么快活

noun

1. a naive or inexperienced person

adj

1. marked by or showing unaffected simplicity and lack of guile or worldly experience
   1. a teenager's naive ignorance of life
   2. the naive assumption that things can only get better
   3. this naive simple creature with wide friendly eyes so eager to believe appearances

   Synonym:    naive