YOU SAID:

hot parties are hot when they're hot

INTO JAPANESE

暑いパーティーは暑いときは暑い

BACK INTO ENGLISH

A hot party is hot when it's hot

INTO JAPANESE

暑いときは暑いパーティーは暑い

BACK INTO ENGLISH

When it's hot, it's hot, the party is hot

INTO JAPANESE

暑い時は暑い、パーティーは暑い

BACK INTO ENGLISH

It's hot when it's hot, it's hot at the party

INTO JAPANESE

暑い時は暑い、パーティーは暑い

BACK INTO ENGLISH

It's hot when it's hot, it's hot at the party