"Is professor Tini known by children?"
Translation:Apakah profesor Tini dikenal oleh anak-anak?
Is there a problem here? Professor Tini in English is a professor called Tini, but in Indonesian it should be Tini's professor?
but in Indonesian it should be Tini's professor?
'-nya' is attached to the noun to show the possessive form (Tini's professor).
"Apakah profesornya Tini dikenal oleh anak-anak?"
"Is Tini's professor known by the children."