YOU SAID:
Jack and Jill went on a hill.
INTO JAPANESE
ジャックとジルは丘の上に行きました。
BACK INTO ENGLISH
Jack and Jill went to the top of the Hill.
INTO JAPANESE
ジャックとジルは丘の上に行きました。
BACK INTO ENGLISH
Jack and Jill went to the top of the Hill.
That didn't even make that much sense in English.