YOU SAID:
Hi guys join my party
INTO JAPANESE
こんにちは、あなたたちは私のパーティーに参加します
BACK INTO ENGLISH
Hi, you guys are going to my party
INTO JAPANESE
こんにちは、あなたたちは私のパーティーに行くつもりです
BACK INTO ENGLISH
Hi, you guys are going to my party
Okay, I get it, you like Translation Party.