YOU SAID:
Making vows I know will be betrayed
INTO JAPANESE
私が知っている誓いをすることは裏切られる
BACK INTO ENGLISH
Making a vow I know is betrayed
INTO JAPANESE
私が知っている誓いをすることは裏切られます
BACK INTO ENGLISH
Making a vow I know is betrayed
That didn't even make that much sense in English.