形容詞 childlike:

1. befitting a young child
   同義詞：childly
2. exhibiting childlike simplicity and credulity
   同義詞：wide-eyed, round-eyed, dewy-eyed, simple

1. Although thirty, he is childlike.
   盡管他已三十歲了，但還是孩子般的無邪。
2. His father has childlike enjoyment.
   他的父親有孩子似的歡樂。

child.like

adj.（形容詞）
Like or befitting a child, as in innocence, trustfulness, or candor.
兒童般的：如在單純、輕信、坦率等方面上如兒童般的或適合于兒童的