YOU SAID:

Emil are a smart boy with a smart brain

INTO JAPANESE

エミルは頭脳が賢い頭のいい少年です

BACK INTO ENGLISH

Emil is a smart boy with a smart brain

INTO JAPANESE

エミルは頭脳のいい頭のいい子です

BACK INTO ENGLISH

Emil is a good brain with a good brain

INTO JAPANESE

エミルは良い脳を持つ良い脳です

BACK INTO ENGLISH

Emil is a good brain with a good brain