YOU SAID:
Pretty is as pretty does
INTO JAPANESE
プリティはプリティと同じ
BACK INTO ENGLISH
pretty is same as pretty
INTO JAPANESE
きれいはきれいと同じです
BACK INTO ENGLISH
clean is the same as clean
INTO JAPANESE
クリーンはクリーンと同じです
BACK INTO ENGLISH
clean is the same as clean
That didn't even make that much sense in English.