se conoce que: se nota que; al parecer; por lo visto. [Uso: actualmente cayendo en desuso].
-Se conoce que no ha trabajado ni un día en su vida — You can tell that he hasn't worked a single day in his life
-Se conoce que a la chica no le hizo mucha gracia — Apparently, the girl didn't find it very funny
-Se conoce que no tienes obligaciones — You obviously don't have any obligations
