YOU SAID:

Hello the great dog that is the smartest dog in the world/the best dog

INTO JAPANESE

こんにちは、世界で最も賢い犬/最高の犬である素晴らしい犬

BACK INTO ENGLISH

Hi amazing dog who is the smartest/best dog in the world

INTO JAPANESE

こんにちは。世界で最も賢い/最高の犬です。

BACK INTO ENGLISH

Hi, I am the smartest/best dog in the world.

INTO JAPANESE

こんにちは、私は世界で最も賢い/最高の犬です。

BACK INTO ENGLISH

Hi, I am the smartest/best dog in the world.