Formal:
* Nudzę się. (pronounced: noo-dze se) - This is the most direct and common translation, and it's appropriate for most situations.
* Jestem znudzony/znudzona. (pronounced: yes-tem znoo-dzo-ni/znoo-dzo-na) - This translates literally to "I am bored," and it's a bit more formal than "Nudzę się."
Informal:
* Śmiertelnie się nudzę. (pronounced: shmer-tel-nye se noo-dze) - This translates to "I'm bored to death," and it's more expressive and informal.
* Mam nudę. (pronounced: mam noo-de) - This means "I have boredom" and is another informal way to express boredom.
Other expressions:
* Nic się nie dzieje. (pronounced: ni-ts se nye dze-ye) - This means "Nothing is happening" and can be used to express boredom.
* Jest mi nudno. (pronounced: yes-t mi noo-dno) - This translates to "I am bored" and is a more formal way to express boredom than "Nudzę się."
The best way to choose the right expression depends on the situation and your relationship with the person you are talking to.