This is the 8222nd most frequent Spanish word.
pasarán
"They will pass."
In this sentence, 'pasarán' is in the future tense of the verb 'pasar', indicating that the hot days will come to an end in the future.
Los días calurosos pasarán cuando llegue el otoño.
The hot days will pass when autumn arrives.
Here, 'pasarán' means to physically go by or visit, referring to a planned action.
Pasarán por tu casa mañana para entregarte el paquete.
They will pass by your house tomorrow to drop off the package.
In this example, 'pasarán' expresses a hope or desire for an emotional state to transition and resolve in the future.