YOU SAID:
Hey, What are you doing tonight. Want to hang out!
INTO JAPANESE
ねえ、あなたは今夜何をしていますか。たむろしたい!
BACK INTO ENGLISH
Hey, what are you doing tonight? I want to hang out!
INTO JAPANESE
ねえ、今夜何してるの?遊びたい!
BACK INTO ENGLISH
Hey, what are you doing tonight? I want to play!
INTO JAPANESE
ねえ、今夜何してるの?私は遊びたいです!
BACK INTO ENGLISH
Hey, what are you doing tonight? I want to play!
That didn't even make that much sense in English.