YOU SAID:
My farts are really stinky tonight!
INTO JAPANESE
今夜は私のオナラは本当に臭い!
BACK INTO ENGLISH
Tonight I really smell my farts!
INTO JAPANESE
今夜私は本当に私のオナラが臭い!
BACK INTO ENGLISH
Tonight I really smell my farts!
That didn't even make that much sense in English.