YOU SAID:

look out for the men with no moustache, they are the villains

INTO JAPANESE

口ひげのない男たちに気をつけろ、彼らは悪役だ

BACK INTO ENGLISH

Beware of men without mustaches, they are villains

INTO JAPANESE

口ひげのない男性には気をつけてください、彼らは悪役です

BACK INTO ENGLISH

Beware of men without mustaches, they are villains