単たん純じゅん素そ朴ぼく

noun, na-adjective

plain and simple; naive; unsophisticated

Describes a person, idea, or thing that is straightforward and uncomplicated, sometimes with a nuance of being overly simple or lacking sophistication. Can be used both positively (unpretentious) and negatively (naive).

• 彼かれの考かんがえ方かたは単たん純じゅん素そ朴ぼくで、すぐに騙だまされてしまう。

  His way of thinking is plain and simple, so he gets deceived easily.

• この絵え本ほんは単たん純じゅん素そ朴ぼくな話はなしだが、心こころに残のこる。

  This picture book has a plain and simple story, but it stays with you.