YOU SAID:

I solemnly swear that I’m up to no good

INTO JAPANESE

私はよからぬことを誓います

BACK INTO ENGLISH

I solemnly swear

INTO JAPANESE

私は厳粛に誓う

BACK INTO ENGLISH

I pledge solemnly

INTO JAPANESE

私は厳粛に誓います

BACK INTO ENGLISH

I pledge solemnly.

INTO JAPANESE

私は厳粛に誓います。

BACK INTO ENGLISH

I pledge solemnly.