YOU SAID:

Will are they is not good it is?

INTO JAPANESE

彼らはそれがうまくないだろうか？

BACK INTO ENGLISH

Will they not work out?

INTO JAPANESE

彼らはうまくいかないでしょうか？

BACK INTO ENGLISH

Will they go wrong?

INTO JAPANESE

彼らは間違って行くのだろうか？

BACK INTO ENGLISH

Will they go wrong?