YOU SAID:
my dog is not the brightest
INTO JAPANESE
私の犬は明るいではありません
BACK INTO ENGLISH
My dog is not as bright
INTO JAPANESE
私の犬は、明るくありません
BACK INTO ENGLISH
My dog is not bright
INTO JAPANESE
私の犬は明るくありません
BACK INTO ENGLISH
My dog is not bright
Well done, yes, well done!