资料来源 : pyDict

天真;幼少;傻气

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

Childishness \Child"ish*ness\, n.
   The state or quality of being childish; simplicity;
   harmlessness; weakness of intellect.

资料来源 : WordNet®

childishness
     n : a property characteristic of a child [syn: {puerility}]