YOU SAID:
Hi there i need to go walk my fish
INTO JAPANESE
こんにちは、魚を散歩する必要があります
BACK INTO ENGLISH
Hello, you need to walk the fish
INTO JAPANESE
こんにちは、あなたは魚を歩く必要があります
BACK INTO ENGLISH
Hello, you need to walk the fish
That didn't even make that much sense in English.