YOU SAID:

time fly's by when you're having fun

INTO JAPANESE

あなたが楽しんでいるときまでにタイムフライ

BACK INTO ENGLISH

Time fly by the time you are having fun

INTO JAPANESE

あなたが楽しんでいる時間までに時間は飛ぶ

BACK INTO ENGLISH

Time flies by the time you are having fun

INTO JAPANESE

あなたが楽しんでいる時間までに時間が飛ぶ

BACK INTO ENGLISH

Time flies by the time you are having fun