DICT.TW Dictionary Taiwan

 puerility
 孩子氣,天真,未成熟

 Pu·er·il·i·ty n.; pl. Puerilities
 1. The quality of being puerile; childishness; puerileness.
 2. That which is puerile or childish; especially, an expression which is flat, insipid, or silly.
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 puerility
      n 1: the state of a child between infancy and adolescence [syn: childhood]
      2: a property characteristic of a child [syn: childishness]