child·ish·ness
noun/ˈtʃaɪldɪʃnəs/
/ˈtʃaɪldɪʃnəs/
[uncountable]- the quality of being typical of a child
孩子的；孩子气的；稚嫩的 - His face is a fascinating mixture of childishness and maturity.
他的脸庞混合着稚气和成熟，令人着迷。
- His face is a fascinating mixture of childishness and maturity.
- (disapproving) the fact in an adult of thinking and behaving in a stupid or silly way
幼稚的；天真的 - I felt frustrated at the sheer childishness of my teammates.
我对队友们的幼稚行为感到沮丧。
- I felt frustrated at the sheer childishness of my teammates.