YOU SAID:
I am not good, I am not bad, I am just nice
INTO JAPANESE
私は良くない、悪くない、ただいい
BACK INTO ENGLISH
I'm not good, not bad, just good
INTO JAPANESE
私は良くない、悪くない、ただ良い
BACK INTO ENGLISH
I'm not good, not bad, just good
That didn't even make that much sense in English.