That's good news!
(To dobra wiadomość!)

Congratulations.
(Gratulacje.)

Well done!
(Dobra robota!)

That's great!
(To wspaniale!)

Oh dear, poor you!
(Ojejku, biedactwo!)

Don't worry. We can sort it out.
(Nie martw się. Coś wymyślimy.)

That's a pity.
(Szkoda.)