YOU SAID:

oh my god, I just finished walking my fish and my legs hurts so much!

INTO JAPANESE

なんと、魚の散歩を終えたところなのですが、足がとても痛いです。

BACK INTO ENGLISH

Lo and behold, I just finished walking the fish and my legs are really sore.

INTO JAPANESE

なんと、魚の散歩を終えたところなのですが、足がとても痛いのです。

BACK INTO ENGLISH

Lo and behold, I just finished walking the fish and my legs are really sore.