YOU SAID:
They can’t be bargained with.
INTO JAPANESE
交渉することはできません。
BACK INTO ENGLISH
It cannot be negotiated.
INTO JAPANESE
交渉はできません。
BACK INTO ENGLISH
It is not negotiable.
INTO JAPANESE
交渉の余地はありません。
BACK INTO ENGLISH
There is no room for negotiation.
INTO JAPANESE
交渉の余地はない。
BACK INTO ENGLISH
There is no room for negotiation.
That didn't even make that much sense in English.