YOU SAID:
hello I am dumb and useless
INTO JAPANESE
こんにちは、私は愚かで役に立たないです
BACK INTO ENGLISH
Hello, I'm stupid and useless
INTO JAPANESE
こんにちは、私はバカで役立たずです
BACK INTO ENGLISH
Hello, I'm stupid and useless
That didn't even make that much sense in English.