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inexperienced (in life experience); unsophisticated; green; wet behind the ears
inexperienced (in love); innocent; naive; simple
「産」 has another reading with different meanings.
あの新人はまだ産で世間を知らない。
That newcomer is still green and doesn't know the world.
彼女は産な性格で騙されやすい。
She has a naive personality and is easy to fool.
産な反応が可愛いね。
The naive reaction is cute.