YOU SAID:

When not does this can't work out goodly

INTO JAPANESE

そうでない場合、これはうまくいきません

BACK INTO ENGLISH

If not, this won't work

INTO JAPANESE

そうでない場合、これは機能しません

BACK INTO ENGLISH

Otherwise this will not work

INTO JAPANESE

そうでなければ、これは機能しません

BACK INTO ENGLISH

Otherwise this will not work