YOU SAID:

I ate my grandma. In one bite.

INTO JAPANESE

私はおばあちゃんを食べた。一口で。

BACK INTO ENGLISH

I ate my grandmother. One bite.

INTO JAPANESE

おばあちゃんを一口食べた

BACK INTO ENGLISH

I ate a bite of my grandmother.

INTO JAPANESE

私はおばあちゃんを一口食べた。

BACK INTO ENGLISH

I ate a bite of my grandmother.