YOU SAID:
Your hat is quite lovely.
INTO JAPANESE
あなたの帽子はかなり美しいです。
BACK INTO ENGLISH
Your hat is quite beautiful.
INTO JAPANESE
あなたの帽子は非常に美しいです。
BACK INTO ENGLISH
Your hat is very beautiful.
INTO JAPANESE
あなたの帽子はとても美しいです。
BACK INTO ENGLISH
Your hat is very beautiful.
That didn't even make that much sense in English.