YOU SAID:

rain on someone's parade

INTO JAPANESE

誰かのパレードに雨が降る

BACK INTO ENGLISH

It rains on someone's parade

INTO JAPANESE

誰かのパレードで雨が降る

BACK INTO ENGLISH

It rains in someone's parade

INTO JAPANESE

誰かのパレードで雨が降る

BACK INTO ENGLISH

It rains in someone's parade