YOU SAID:
that's the pot calling the kettle black
INTO JAPANESE
それはやかんを黒いポットです。
BACK INTO ENGLISH
It is a black pot kettle.
INTO JAPANESE
黒鍋やかんです。
BACK INTO ENGLISH
Black pot is a kettle.
INTO JAPANESE
黒いポットは、やかんです。
BACK INTO ENGLISH
Black kettle is the kettle.
INTO JAPANESE
黒いやかんは、やかんです。
BACK INTO ENGLISH
Black kettle is the kettle.
That didn't even make that much sense in English.