YOU SAID:

I am going to run down a hill

INTO JAPANESE

私は丘を駆け下りるつもりだ

BACK INTO ENGLISH

I'm gonna run down the hill.

INTO JAPANESE

丘を駆け下りる

BACK INTO ENGLISH

Running down the hill

INTO JAPANESE

丘を駆け下りる

BACK INTO ENGLISH

Running down the hill