YOU SAID:
Hello big boy you look nice You bad
INTO JAPANESE
こんにちは、あなたは素敵に見える大きな男の子あなたは悪い
BACK INTO ENGLISH
Hello, big boy you are bad you look nice
INTO JAPANESE
こんにちは、大きな男の子あなたは悪いあなたは見栄えが悪いです
BACK INTO ENGLISH
Hello, big boy you are bad you are looking bad
INTO JAPANESE
こんにちは、大きな男の子あなたは悪いあなたは悪い探しています
BACK INTO ENGLISH
Hello, big boy you are bad you are looking bad
That didn't even make that much sense in English.