puerility
n. 幼稚,愚蠢; 幼稚、愚蠢的行為、想法等
1. the state of a child between infancy and adolescence
2. a property characteristic of a child
There was always, in her conversation, the same odd mixture of audacity and puerility.
她的談吐非常奇特,總是那麼既大膽放肆同時又天真無邪.
stupidityyouthadolescence