YOU SAID:

Bet you won't know obama is gone for long time

INTO JAPANESE

あなたはオバマが長い間失われたことを知らないだろう

BACK INTO ENGLISH

You will not know that Obama has been lost for a long time

INTO JAPANESE

あなたは、オバマが長い間失われたことを知らないでしょう

BACK INTO ENGLISH

You will not know that Obama has been lost for a long time