YOU SAID:

This is not going to work well for either party.

INTO JAPANESE

これはいずれかの当事者のために働くつもりはないです。

BACK INTO ENGLISH

This isn't going to work for either party.

INTO JAPANESE

これは、いずれかの当事者のために働くつもりはないです。

BACK INTO ENGLISH

This isn't going to work for either party.