YOU SAID:
I shall challenge you to a duel, young fellow!
INTO JAPANESE
決闘を挑むぞ、若者よ!
BACK INTO ENGLISH
I'll challenge you to a duel, young man!
INTO JAPANESE
決闘を挑むぞ、青年よ!
BACK INTO ENGLISH
I'll challenge you to a duel, young man!
That didn't even make that much sense in English.