YOU SAID:

The grass is never actually greener on the other side

INTO JAPANESE

草は反対側で実際に緑になることはありません

BACK INTO ENGLISH

Grass does not actually turn green on the other side

INTO JAPANESE

反対側で草が実際に緑にならない

BACK INTO ENGLISH

The grass on the other side does not actually turn green

INTO JAPANESE

反対側の草は実際には緑になりません

BACK INTO ENGLISH

The grass on the other side does not actually turn green