YOU SAID:
Today I have an appointment with revenge!
INTO JAPANESE
今日私は復讐と約束がある!
BACK INTO ENGLISH
Today, I have committed with a vengeance!
INTO JAPANESE
今日、私は復讐とコミットしている!
BACK INTO ENGLISH
Today, I have committed with a vengeance!
That didn't even make that much sense in English.