YOU SAID:

You are so bad smelling that I can't stand you

INTO JAPANESE

においが悪すぎて我慢できない

BACK INTO ENGLISH

The smell is so bad that I can't stand it

INTO JAPANESE

匂いがひどくて我慢できない

BACK INTO ENGLISH

I can't stand it because it smells so bad

INTO JAPANESE

匂いがひどいので我慢できない

BACK INTO ENGLISH

I can't stand it because it smells so bad