in·fan·ti·lism
noun/ɪnˈfæntɪlɪzəm/
/ɪnˈfæntɪlɪzəm/
[uncountable]- (disapproving) silly behaviour that is typical of a child and not suitable in an adult
幼稚：典型的儿童愚蠢行为，不适合成人 - the trivial infantilism of commercial movies
商业电影中的琐碎幼稚
- the trivial infantilism of commercial movies
- (psychology) the fact of adults continuing to behave like children, in a way that is not usual
成年人的行为仍然像孩子一样，但方式并不常见