a.

1. 天真的；幼稚的
   Peter was laughed at for his naive remarks.

   彼得因為講了一些幼稚的話而被嘲笑。

2. 輕信的
   She's surely not so naive as to believe his story.

   她肯定不會輕信他編造的故事。

adj.

1. lacking experience, wisdom, or judgement.
2. natural and unaffected.
   ▸(of art) produced in a style which deliberately rejects sophisticated artistic techniques and has a bold directness resembling a child's work.