This is the 1027th most frequent Polish word.
niektórzy
"Niektórzy" means "some people" in English.
The word 'niektórzy' serves here to refer to a specific subset of people who like eating ice cream in winter.
Niektórzy ludzie lubią jeść lody zimą.
Some people like eating ice cream in winter.
In this sentence, 'niektórzy' indicates a partial group of students who forgot their homework.
Niektórzy uczniowie zapomnieli o pracy domowej.
Some students forgot about the homework.
Here, 'niektórzy' refers to a portion of individuals who hold the opinion that learning foreign languages is challenging.