This is the 6749th most frequent Japanese word.
ヒリヒリ
A Japanese onomatopoeia that describes a stinging, burning, or tingling sensation.
In this sentence, "ヒリヒリ" describes the stinging pain one feels due to a sunburn.
日焼けして肌がヒリヒリ痛みます。
After getting sunburned, my skin stings.
Here, "ヒリヒリ" illustrates the pungent sensation causing discomfort in the mouth from spicy food.
辛い食べ物を食べると口がヒリヒリします。
Eating spicy food makes my mouth sting.
In this example, "ヒリヒリ" conveys the painful, tingling sensation often felt from exposure to cold conditions.