YOU SAID:

The dog was walked by an unkown undescribable man

INTO JAPANESE

その犬は正体不明の何とも言えない男が散歩させていた

BACK INTO ENGLISH

The dog was being walked by an unidentified and indescribable man.

INTO JAPANESE

その犬は正体不明の何とも言えない男が散歩させていた。

BACK INTO ENGLISH

The dog was being walked by an unknown and nondescript man.

INTO JAPANESE

その犬は見知らぬ、何の変哲もない男によって散歩されていた。

BACK INTO ENGLISH

The dog was being walked by a strange, nondescript man.

INTO JAPANESE

その犬は見知らぬ、何の変哲もない男に散歩されていた。

BACK INTO ENGLISH

The dog was being walked by a strange, nondescript man.