YOU SAID:

i have a small ball to roll down the giant hill

INTO JAPANESE

私は巨大な丘を転がる小さなボールを持っています

BACK INTO ENGLISH

I have a small ball rolling on a huge hill

INTO JAPANESE

大きな丘を転がる小さなボールがあります

BACK INTO ENGLISH

There is a small ball rolling on a big hill

INTO JAPANESE

大きな丘の上を転がる小さなボールがあります

BACK INTO ENGLISH

There is a small ball rolling on a big hill