few and far between in Polish:

1. bardzo rzadko

Polish word "few and far between"(bardzo rzadko) occurs in sets:

Upstream New Advanced unit 5
konwersacja i j. sluchany
medical london

2. to rzadkość

Polish word "few and far between"(to rzadkość) occurs in sets:

idiomy- liczby i ilości,
E Idiomy B2-C1