YOU SAID:
Quick, fast, swift, rapid, speed, brisk. DO IT ON THE DOUBLE!
INTO JAPANESE
速い、速い、速い、速い、速い、速い、速い。ダブルでやれ!
BACK INTO ENGLISH
Fast, fast, fast, fast, fast, fast. Do it double!
INTO JAPANESE
速い、速い、速い、速い、速い、速い。2倍にやれ!
BACK INTO ENGLISH
Fast, fast, fast, fast, fast, fast. Do it twice!
INTO JAPANESE
速い、速い、速い、速い、速い、速い。2回やってください!
BACK INTO ENGLISH
Fast, fast, fast, fast, fast, fast. Do it twice!
That didn't even make that much sense in English.