YOU SAID:

uncle sam told me not to tell anybody that he ate my sister

INTO JAPANESE

叔父さんサムは私に彼が私の姉妹を食べたことをだれにも言わないように言った

BACK INTO ENGLISH

Uncle Sam told me not to tell anyone that he ate my sister

INTO JAPANESE

アンクルサムは、彼が私の妹を食べたと誰にも言わないように私に言った

BACK INTO ENGLISH

Uncle Sam told me not to tell anyone that he ate my sister