"childishness" in Chinese (Simplified)
幼稚孩子气
Definition
幼稚是指像小孩子一样的行为或想法，尤其是指那些愚蠢、不成熟或不适合成人的表现。
Usage Notes (Chinese (Simplified))
“Childishness” 通常带有贬义，和 "childlike" (天真、纯真) 不同。常用来批评不符合年龄的幼稚或愚蠢行为。常与 "show"、"display"、"frustrated by" 等动词连用。
Examples
His childishness made it hard for others to take him seriously.
他的**幼稚**让别人很难认真对待他。
She apologized for her childishness during the meeting.
她为会议上的**幼稚**举动道歉。
Childishness is not appropriate in professional situations.
在职业场合，**幼稚**的表现是不合适的。
Her sudden childishness was surprising, since she is usually so mature.
她突然的**孩子气**令人吃惊，因为她平时很成熟。
There's a difference between childishness and just being playful.
**幼稚**和喜欢玩耍是有区别的。
He was frustrated by the childishness of the whole argument.
他对整个争论的**幼稚**感到很失望。