YOU SAID:
My son, it is only the mist.
INTO JAPANESE
私の息子、霧の中だけです。
BACK INTO ENGLISH
It is only my son, fog.
INTO JAPANESE
私の息子だけ、霧です。
BACK INTO ENGLISH
My son just fog.
INTO JAPANESE
私の息子はちょうど霧。
BACK INTO ENGLISH
My son is just fog.
INTO JAPANESE
私の息子は、ちょうど霧です。
BACK INTO ENGLISH
My son is just a mist.
INTO JAPANESE
私の息子は霧だけです。
BACK INTO ENGLISH
My son is the only fog.
INTO JAPANESE
私の息子は唯一の霧です。
BACK INTO ENGLISH
My son is the only fog.
That didn't even make that much sense in English.