YOU SAID:

lets have a delicious, grandma.

INTO JAPANESE

おばあちゃん、おいしくいただきましょう。

BACK INTO ENGLISH

Grandma, have a good time.

INTO JAPANESE

おじいちゃん、楽しそう。

BACK INTO ENGLISH

Have fun, grandpa.

INTO JAPANESE

楽しんでね、おじいちゃん。

BACK INTO ENGLISH

Have fun, grandpa.