YOU SAID:

time flies by when your haveing fun

INTO JAPANESE

楽しむときに時間が飛ぶ

BACK INTO ENGLISH

Time flies when you enjoy

INTO JAPANESE

楽しむときの時間は飛ぶ

BACK INTO ENGLISH

Time flies when you have fun

INTO JAPANESE

楽しむとき、時間は飛ぶ

BACK INTO ENGLISH

When you have fun, time flies

INTO JAPANESE

楽しむとき、時間は飛ぶ

BACK INTO ENGLISH

When you have fun, time flies