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については何も知りません

I don't know anything about…

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phrase Rare #27,364
I don't know anything about… The subject is often omitted and understood from context. The ending 知りません is polite; 知らない is the casual form.
JA: その映画については何も知りません。
EN: I don't know anything about that movie.

彼の過去については何も知りません。

I don't know anything about his past.

彼女については何も知りません。

I don't know anything about her.

そのことについては何も知りません。

I don't know anything about that.

「彼らの計画については何も知りません」と彼は言った。

“I don't know anything about their plans,” he said.

トムの過去については何も知りません。

I don't know anything about Tom's past.