YOU SAID:
Let us smoke a cigarette outside.
INTO JAPANESE
私たち外タバコを吸います。
BACK INTO ENGLISH
Us out of smoke.
INTO JAPANESE
私たちは煙から。
BACK INTO ENGLISH
We're from the smoke.
INTO JAPANESE
われわれは煙から。
BACK INTO ENGLISH
We're from the smoke.
That didn't even make that much sense in English.