YOU SAID:

my uncle is not a secret agent therefore my turtle doesn't touch beef

INTO JAPANESE

私の叔父は秘密の代理人ではないので私の亀は牛肉に触れない

BACK INTO ENGLISH

My turtle does not touch beef because my uncle is not a secret agent

INTO JAPANESE

私の叔父は秘密の代理人ではないので私の亀は牛肉に触れません

BACK INTO ENGLISH

My turtle does not touch beef because my uncle is not a secret agent