天气转冷、季节交替，这些都在暗示人们有可能生病！

Cooler weather, seasons changing, things that indicate people getting sick!

不过也有可能是季节交替，这个倒霉的小家伙因为对花粉过敏想要打喷嚏。

That, or the unfortunate rodent was allergic to the flower's pollen brought out by the changing seasons and was just about to sneeze.