This is the 674th most frequent Ukrainian word.
обстріляли
"Обстріляли" means "shelled" or "fired upon."
In this sentence, "обстріляли" is used to indicate targeting and firing upon a location, specifically the act of shelling.
Вони обстріляли місто з дальньої артилерії.
They shelled the city using long-range artillery.
Here, "обстріляли" describes the act of firing or attacking with weapons targeting the base.
Учора вночі обстріляли базу, ніхто не постраждав.
Last night, they fired upon the base; no one was harmed.
This usage of "обстріляли" is metaphorical, implying an intensive and robust critique or counter-argument in a figurative sense.