YOU SAID:

this won't work if i don't finish it

INTO JAPANESE

完成しないとうまくいきません

BACK INTO ENGLISH

It will not work unless it is completed

INTO JAPANESE

完了しないと機能しません

BACK INTO ENGLISH

Will not work if not completed

INTO JAPANESE

完了しないと機能しません

BACK INTO ENGLISH

Will not work if not completed