YOU SAID:

You such a idiot my friend

INTO JAPANESE

あなたは私の友人のようなバカ

BACK INTO ENGLISH

you're such an idiot as my friend

INTO JAPANESE

あなたは私の友人のようなバカです

BACK INTO ENGLISH

You are such an idiot as my friend.

INTO JAPANESE

あなたは私の友人のようなバカです。

BACK INTO ENGLISH

You are stupid like my friend.

INTO JAPANESE

あなたは私の友人のように愚かです。

BACK INTO ENGLISH

You are as stupid as my friend.

INTO JAPANESE

あなたは私の友人と同じくらい愚かです。

BACK INTO ENGLISH

You are as stupid as my friend.