YOU SAID:
The cat 🐱 went on a walk
INTO JAPANESE
猫🐱が散歩に出かけた
BACK INTO ENGLISH
Nekoi went out for a walk
INTO JAPANESE
ねこいが散歩に出かけた
BACK INTO ENGLISH
The cat went out for a walk
INTO JAPANESE
猫は散歩に出かけた
BACK INTO ENGLISH
The cat went out for a walk
That didn't even make that much sense in English.