YOU SAID:

I don't know how that's a party

INTO JAPANESE

私は知らないどのようにそれがパーティー

BACK INTO ENGLISH

I don't know how that party

INTO JAPANESE

私はどのようにその党を知らない

BACK INTO ENGLISH

I do not know how to party

INTO JAPANESE

私はどのようにパーティを知っていません。

BACK INTO ENGLISH

I don't know how to party.

INTO JAPANESE

私はどのようにパーティを知らない。

BACK INTO ENGLISH

I don't know how to party.