YOU SAID:

they say i did something bad

INTO JAPANESE

彼らは私が何か悪いと言った

BACK INTO ENGLISH

They said that I was something wrong

INTO JAPANESE

彼らは私が何か間違っていると言った

BACK INTO ENGLISH

They told me that I am doing something wrong

INTO JAPANESE

彼らは私に何か間違っていると言った

BACK INTO ENGLISH

They told me something was wrong

INTO JAPANESE

彼らは何かが間違っていた

BACK INTO ENGLISH

They were somewhat wrong

INTO JAPANESE

彼らは幾分間違っていた

BACK INTO ENGLISH

They were somewhat wrong