YOU SAID:

what on should fear is not a competent enemy but an incompetent ally

INTO JAPANESE

恐れるべきは有能な敵ではなく無能な味方だ

BACK INTO ENGLISH

It's the incompetent ally that should be feared, not the capable enemy

INTO JAPANESE

恐れるべきは有能な敵ではなく、無能な同盟者である

BACK INTO ENGLISH

Fear not a capable enemy, but an incompetent ally

INTO JAPANESE

有能な敵ではなく、無能な味方を恐れよ

BACK INTO ENGLISH

Fear an incompetent ally, not a capable enemy

INTO JAPANESE

有能な敵ではなく、無能な味方を恐れる

BACK INTO ENGLISH

Fear an incompetent ally, not a capable enemy