YOU SAID:

Why is this a hot party?

INTO JAPANESE

なぜこれが熱いパーティーですか。

BACK INTO ENGLISH

Why is this hot party?

INTO JAPANESE

なぜこれがホット パーティーですか。

BACK INTO ENGLISH

This is why the hot party?

INTO JAPANESE

これはなぜ熱いパーティ?

BACK INTO ENGLISH

This is why hot party?

INTO JAPANESE

これはなぜホット パーティー?

BACK INTO ENGLISH

This is why hot party?