YOU SAID:

I am skiing down the steep hill

INTO JAPANESE

私は急な坂をスキーで滑り降りている

BACK INTO ENGLISH

I'm skiing down a steep slope

INTO JAPANESE

急斜面をスキーで滑り降りる

BACK INTO ENGLISH

ski down a steep slope

INTO JAPANESE

スキーで急斜面を滑り降りる

BACK INTO ENGLISH

ski down a steep slope