YOU SAID:

I was walking the dog of my mother when a meator hit a fat little kid

INTO JAPANESE

私が母の犬の散歩をしていたとき、肉食動物が太った小さな子供を轢いた

BACK INTO ENGLISH

I was walking my mom's dog when a carnivore ran over a fat little kid.

INTO JAPANESE

私が母の犬を散歩させていたとき、肉食動物が太った小さな子供を轢いた。

BACK INTO ENGLISH

I was walking my mom's dog when a carnivore ran over a fat little kid.