YOU SAID:
I think that this is stupied
INTO JAPANESE
これはだめだと思います
BACK INTO ENGLISH
i think this is no good
INTO JAPANESE
これはダメだと思います
BACK INTO ENGLISH
i think this is bad
INTO JAPANESE
これは悪いと思います
BACK INTO ENGLISH
i think this is bad
Come on, you can do better than that.