YOU SAID:
You are on the football field
INTO JAPANESE
あなたはサッカーのフィールドにいます
BACK INTO ENGLISH
You are on the soccer field
INTO JAPANESE
あなたはサッカー場にいます
BACK INTO ENGLISH
You are in the soccer field
INTO JAPANESE
あなたはサッカー場にいます
BACK INTO ENGLISH
You are in the soccer field
That didn't even make that much sense in English.