公之于世 gōng zhī yú shì

DEFINITIONS

  1. to announce to the world (idiom)
  2. to make public
  3. to let everyone know

CHARACTERS

公 gōng fair, equitable; public; duke
之 zhī marks preceding phrase as modifier of following phrase; it, him her, them; go to
于 yú in, on, at; go to; surname
世 shì generation; world; era