This is the 83rd most frequent Czech word.
čtyři
The Czech word "čtyři" means "four" in English.
Here, the word 'čtyři' functions as a cardinal number indicating the quantity of the books.
Mám čtyři knihy.
I have four books.
In this sentence, 'čtyři' serves as a cardinal number describing the score points.
Vyhráli jsme za čtyři body.
We won by four points.
Here, 'čtyři' is used descriptively to specify the count of towers associated with the castle.