YOU SAID:
You're a silly one, Mr. Fish.
INTO JAPANESE
あなたは愚かな 1 つは、氏の魚です。
BACK INTO ENGLISH
A stupid one is Mr. fish.
INTO JAPANESE
愚かな魚屋さんです。
BACK INTO ENGLISH
It is a silly fish store.
INTO JAPANESE
それは愚かな魚の店です。
BACK INTO ENGLISH
It is a silly fish store.
That didn't even make that much sense in English.