YOU SAID:

I pledged a vow to the revolution

INTO JAPANESE

私は革命への誓いを約束した

BACK INTO ENGLISH

I promised the oath to the revolution

INTO JAPANESE

私は革命への宣誓を約束した

BACK INTO ENGLISH

I promised to swear to the revolution

INTO JAPANESE

私は革命に誓うことを約束した

BACK INTO ENGLISH

I promised to swear on the revolution

INTO JAPANESE

私は革命を誓うと約束した

BACK INTO ENGLISH

I promised to swear the revolution

INTO JAPANESE

私は革命を誓うと約束した

BACK INTO ENGLISH

I promised to swear the revolution