YOU SAID:
I have roast chicken for dinner
INTO JAPANESE
私は夕食にロースト チキンがあります。
BACK INTO ENGLISH
I have a roast chicken for dinner.
INTO JAPANESE
夕食にロースト チキンがあります。
BACK INTO ENGLISH
Roast chicken dinner.
INTO JAPANESE
ロースト チキンのディナー。
BACK INTO ENGLISH
Roast chicken dinner.
That didn't even make that much sense in English.