YOU SAID:

Those two doggies are very silly and goofy

INTO JAPANESE

あの二匹の犬はとても愚かで間抜けです

BACK INTO ENGLISH

Those two dogs are so stupid and stupid.

INTO JAPANESE

あの二匹の犬は本当に愚かで愚かです。

BACK INTO ENGLISH

Those two dogs are really stupid and stupid.

INTO JAPANESE

あの二匹の犬は本当に愚かで愚かです。

BACK INTO ENGLISH

Those two dogs are really stupid and stupid.