none of someone's business

名詞

慣用表現

(idiomatic) A matter that someone is not entitled to be involved in or informed about.

日本語の意味

他人が関与すべきでなく、知らされるべきでない事柄 / 他人に口出しされるべきでない個人的な事柄 / 無関係な、または他人の詮索に値しない事項

It's none of someone's business how I spend my money.

私がどのようにお金を使うかは他人には関係のないことです。

意味（1）

(idiomatic) A matter that someone is not entitled to be involved in or informed about.

He asked what I was talking to Sam about. I told him it was none of his business.