星未泯英文

childish 孩子般的kidult kid和adult的合体，现在很流行的词。含意是有着小孩特质的心态、心境、个性、趣味的成年人，而主要是指有上述特点的成年男性。

retain childlike qualities

people with child's heartone's childish disposition remainsstill preserve traces of childishnesslstill retain childlike innocence

童心未泯 [词典] One's childish disposition remains.; still preserve traces of childishness; still retain childlike innocence; [例句]心里面有个孩子就是指这个人“童心未泯”！You are really a child at heart.

To retain a childish heart.

One's childish disposition remains., still...