YOU SAID:
You don't know how special they were until you lose them.
INTO JAPANESE
あなたがそれらを失うまで、彼らがどれほど特別だったか分かりません。
BACK INTO ENGLISH
I don't know how special they were until you lost them.
INTO JAPANESE
あなたがそれらを失うまで、私は彼らがどれほど特別だったか知りません。
BACK INTO ENGLISH
I don't know how special they were until you lost them.
Come on, you can do better than that.