YOU SAID:

It was a gray day, where faces were long and hard

INTO JAPANESE

顔が長くて硬い灰色の日でした

BACK INTO ENGLISH

It was a gray day with a long face and a hard face

INTO JAPANESE

長い顔と固い顔の灰色の日でした

BACK INTO ENGLISH

It was a gray day with a long face and a hard face