This is the 2044th most frequent Polish word.
kryją
"Hide" or "cover" (third-person plural form).
In this sentence, 'kryją' means 'they hide,' and it refers to concealing emotions.
Ludzie często kryją swoje prawdziwe emocje.
People often hide their true emotions.
Here, 'kryją' is used to express the act of keeping secrets or holding unknown details.
Te ściany kryją wiele tajemnic.
These walls hide many secrets.
In this context, 'kryją' describes the action of obscuring the sun from view using clouds.