YOU SAID:

although i am not smart my dog walks himself

INTO JAPANESE

私は頭が良くないのに犬は自分で歩く

BACK INTO ENGLISH

I'm not smart, but the dog walks on its own

INTO JAPANESE

私は頭が良くないが、犬は一人で歩く

BACK INTO ENGLISH

I'm not smart, but the dog walks alone

INTO JAPANESE

私は頭が良くないが、犬は一人で歩く

BACK INTO ENGLISH

I'm not smart, but the dog walks alone