YOU SAID:
I solemnly solemnly swear that I am up to no good.
INTO JAPANESE
私は厳粛に私はダメまでであることを誓います。
BACK INTO ENGLISH
I solemnly swear that I am no good.
INTO JAPANESE
私はダメであることを厳粛に誓います。
BACK INTO ENGLISH
I solemnly swear that I am no good.
That didn't even make that much sense in English.