YOU SAID:
You foul evil louthesome little cockroach
INTO JAPANESE
あなたは悪悪口のゴキブリを悪くする
BACK INTO ENGLISH
You make the evil cockroach worse
INTO JAPANESE
あなたは邪悪なゴキブリを悪化させる
BACK INTO ENGLISH
You make the evil cockroach worse
That didn't even make that much sense in English.