Translation of "is that so" into Polish

Phrases similar to "is that so" with translations into Polish

• Is that so?
  Czyżby? · Naprawdę?
• is that so?
  naprawdę?
• the pitcher goes so often to the well that it is broken at last
  dopóty dzban wodę nosi, dopóki mu się ucho nie urwie
• the pitcher goes so often to the well, that it is broken at last
  dopóty dzban wodę nosi, dopóki mu się ucho nie urwie