This is the 2186th most frequent Japanese word.
汗
Sweat.
In this sentence, '汗' is used to refer to sweat as a natural bodily response to heat.
暑い夏の日に外を歩いていると、汗が自然に出てきます。
When walking outside on a hot summer day, sweat naturally comes out.
Here, '汗' represents sweat that appears due to nervousness rather than physical heat. It's indicative of emotional states.
緊張して発表を聞いているとき、額に汗がにじむのを感じました。
While nervously listening to the presentation, I felt sweat seeping on my forehead.
In this usage, '汗' describes sweat resulting from physical exertion, emphasizing the result of physical activity.