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simple and honest; unsophisticated; simpleminded; naive; unspoiled
村の人々は純朴で温かい心の持ち主だ。
The villagers are simple, honest, and warm-hearted people.
彼女の純朴な笑顔に心が和んだ。
Her simple and honest smile put my heart at ease.
都会にはない純朴な暮らしに憧れている。
I yearn for a simple life that cannot be found in the city.