This is the 2924th most frequent Chinese word.
汗水
Sweat.
The word "汗水" conveys the idea of effort and physical exertion.
他的成功是用汗水换来的。
His success was achieved through sweat and hard work.
Here, "汗水" refers to the literal sweat produced during physical activity.
运动后,他的衣服被汗水浸透了。
After exercising, his clothes were soaked with sweat.
In this instance, "汗水" symbolizes dedication and hard work toward one's goal.