This is the 656th most frequent Czech word.
někteří
"Some" (referring to people).
In this sentence, 'někteří' refers to certain members of a group, emphasizing a subset of 'students'.
Někteří studenti rádi čtou knihy.
Some students enjoy reading books.
'někteří' here implies a subset of 'people,' focusing on particular individuals with a specific belief.
Někteří lidé si mylně myslí, že technologie je nebezpečná.
Some people mistakenly believe that technology is dangerous.
Here, 'někteří' denotes a part of the group referred to as 'us,' indicating partial participation.