YOU SAID:

Ian is dumb can I kick him

INTO JAPANESE

イアンは馬鹿です私は彼を蹴ることができます

BACK INTO ENGLISH

Ian is a fool I can kick him

INTO JAPANESE

イアンは私が彼を蹴ることができる愚か者です

BACK INTO ENGLISH

Ian is a fool that I can kick him

INTO JAPANESE

イアンは私が彼を蹴ることができるという愚か者です

BACK INTO ENGLISH

Ian is a fool that I can kick him