A: I’m worried about my son who gets a bad grad in Japanese.
B: My son has the same problem!
A: You know? They say that if you read a lot of books as a child, you’ll develop verbal aptitude.
B: I know, but I can’t imagine that my son reading books!
In this situation, what should you say “You’ll develop verbal aptitude” in Japanese?
Casual
B:ほら、子供の頃にたくさん本を読むと国語力がつくって言うじゃない?
Note: This is not a word-for-word translation.
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A word-for-word translation
B:知ってますか? 子供の頃に本をたくさん読むと言語能力が発達すると言われています。
This is also fine. It’s natural in Japanese and ‘develop’ is translated accurately.
It can be a bit stiff, so you often see the expression in writing.
In Japanese, ‘develop’ + ‘some ability’ can be said 能力がつくwhich is close to the sense of ‘ gain ability.
For your information, ‘reading comprehensive’ can be translated as 読解力.