YOU SAID:
Babies need to be stopped.
INTO JAPANESE
赤ちゃんを止める必要があります。
BACK INTO ENGLISH
You need to stop your baby.
INTO JAPANESE
あなたはあなたの赤ちゃんを止める必要があります。
BACK INTO ENGLISH
You need to stop your baby.
That didn't even make that much sense in English.