YOU SAID:

will you come to their party because i dont want to

INTO JAPANESE

私がしたくないので、彼らのパーティーに来ませんか

BACK INTO ENGLISH

I don't want to come to their party

INTO JAPANESE

私は彼らのパーティーに行きたくない

BACK INTO ENGLISH

i don't want to go to their party

INTO JAPANESE

私は彼らのパーティーに行きたくない

BACK INTO ENGLISH

i don't want to go to their party