YOU SAID:
They do not know that many of you speak two languages
INTO JAPANESE
彼らは、あなた方の多くが2つの言語を話すことを知らない
BACK INTO ENGLISH
they don't know that many of you speak two languages
INTO JAPANESE
彼らは、あなたたちの多くが2つの言語を話すことを知らない
BACK INTO ENGLISH
they don't know that many of you speak two languages
That didn't even make that much sense in English.