Childishness
01
幼稚, 孩子气
the behavior of being immature, overly playful, or exhibiting traits typically associated with children
例子
His childishness made it difficult for others to take him seriously at work.
他的孩子气让其他人在工作中很难认真对待他。
Despite his age, he showed a lot of childishness when things did n’t go his way.
尽管他的年龄，当事情不按他的方式进行时，他表现出了很多孩子气。
