YOU SAID:
Alex walked his big dog across the road
INTO JAPANESE
アレックスは彼の大きな犬を道を渡って歩いた
BACK INTO ENGLISH
Alex walked his big dog across the street
INTO JAPANESE
アレックスは通りを横切って彼の大きな犬を歩いた
BACK INTO ENGLISH
Alex walked across the street with his big dog
INTO JAPANESE
アレックスは彼の大きな犬と通りを歩いて歩いた
BACK INTO ENGLISH
Alex walked down the street with his big dog
INTO JAPANESE
アレックスは彼の大きな犬で通りを歩きました
BACK INTO ENGLISH
Alex walked the street with his big dog
INTO JAPANESE
アレックスは彼の大きな犬と通りを歩いた
BACK INTO ENGLISH
Alex walked down the street with his big dog
INTO JAPANESE
アレックスは彼の大きな犬で通りを歩きました
BACK INTO ENGLISH
Alex walked the street with his big dog
INTO JAPANESE
アレックスは彼の大きな犬と通りを歩いた
it is unlikely that this phrase will ever reach equilibrium