YOU SAID:

But I don't want to crash someone else's party...

INTO JAPANESE

しかし、誰かのパーティーをクラッシュしたくない.

BACK INTO ENGLISH

However, unless you want to crash the party of someone.

INTO JAPANESE

しかし、誰かのパーティーをクラッシュする場合を除き、します。

BACK INTO ENGLISH

However, unless you crash someone's Party.

INTO JAPANESE

しかし、誰かのパーティーをクラッシュしない限り。

BACK INTO ENGLISH

However, unless you don't crash your party for someone.

INTO JAPANESE

しかし、誰かのためにパーティーをクラッシュしない限り。

BACK INTO ENGLISH

However, unless you don't crash your party for someone.