YOU SAID:
Harry potter went to town riding on a pony.
INTO JAPANESE
ハリー・ポッターは馬に乗って町に行った。
BACK INTO ENGLISH
Harry Potter went to town on horseback.
INTO JAPANESE
ハリー・ポッターは馬に乗って町に行った。
BACK INTO ENGLISH
Harry Potter went to town on horseback.
That didn't even make that much sense in English.