YOU SAID:
You’ll never be like your brothers!
INTO JAPANESE
あなたはあなたの兄弟のようになることは決してないでしょう!
BACK INTO ENGLISH
You will never be like your brother!
INTO JAPANESE
あなたは決してあなたの兄弟のようにはなりません!
BACK INTO ENGLISH
You will never be like your brother!
That didn't even make that much sense in English.