YOU SAID:

eyebrows are so brown just like the pool full of coal

INTO JAPANESE

眉毛は石炭でいっぱいのプールのようにとても茶色です

BACK INTO ENGLISH

The eyebrows are very brown like a pool full of coal

INTO JAPANESE

眉毛は石炭でいっぱいのプールのように非常に茶色です

BACK INTO ENGLISH

The eyebrows are very brown like a pool full of coal