Question

ネイティブの子どもは、何年も学んだ非ネイティブが知らず今後も知り得ないたくさんのことを自身の言語について知っているものだ。 CC-BY 2.0 (France) Attribution: tatoeba.org #953070 (CK) & #997160 (mookeee)

Accepted Answer

A child who is a native speaker usually knows many things about his or her language that a non-native speaker who has been studying for years still does not know and perhaps will never know.

Expression	ネイティブの子どもは、何年も学んだ非ネイティブが知らず今後も知り得ないたくさんのことを自身の言語について知っているものだ。
English translation	A child who is a native speaker usually knows many things about his or her language that a non-native speaker who has been studying for years still does not know and perhaps will never know.
Citation	CC-BY 2.0 (France) Attribution: tatoeba.org #953070 (CK) & #997160 (mookeee)

Speaker ネイティブの子どもは、何年も学んだ非ネイティブが知らず今後も知り得ないたくさんのことを自身の言語について知っているものだ Child Native Things Language Non Native Studying