YOU SAID:
I don't want to stay the night in my grandparents' house
INTO JAPANESE
祖父母の家に泊まりたくない
BACK INTO ENGLISH
I don't want to stay at my grandparents' house
INTO JAPANESE
祖父母の家に泊まりたくない
BACK INTO ENGLISH
I don't want to stay at my grandparents' house
You've done this before, haven't you.