YOU SAID:
You are really bad at answering questions you know.
INTO JAPANESE
知っている質問に答えるのは本当に下手です。
BACK INTO ENGLISH
Answering the questions you know is really bad.
INTO JAPANESE
あなたが知っている質問に答えることは本当に悪いです。
BACK INTO ENGLISH
Answering the questions you know is really bad.
That didn't even make that much sense in English.