YOU SAID:

His reputation's tarnished, so this is unlikely.

INTO JAPANESE

彼の評判は傷ついているので、これはありそうもない。

BACK INTO ENGLISH

This is unlikely because his reputation has been hurt.

INTO JAPANESE

彼の評判が傷つけられたため、これはありそうにない。

BACK INTO ENGLISH

This is unlikely because his reputation has been hurt.