YOU SAID:

you two are bad friends

INTO JAPANESE

君たち二人は悪い友達だ

BACK INTO ENGLISH

You both are bad friends.

INTO JAPANESE

お二人とも悪い友達です。

BACK INTO ENGLISH

You are both bad friends.

INTO JAPANESE

あなたは二人とも悪い友達です。

BACK INTO ENGLISH

You are both bad friends.