YOU SAID:

Hey lets party all night long!

INTO JAPANESE

ちょっと一晩中パーティーをさせる！

BACK INTO ENGLISH

Let's party a little all night

INTO JAPANESE

ちょっと一晩パーティーしましょう

BACK INTO ENGLISH

Let's have a party one night

INTO JAPANESE

ある晩パーティーをしましょう

BACK INTO ENGLISH

Let's have a party one night