挥汗成雨[huī hàn chéng yǔ]
词典(A great number of troops) wiping off their sweat drops makes it look like rain.
挥汗成雨[huī hàn chéng yǔ]
（形容人多） （A great number of troops） wiping off their sweat drops makes it look like rain.
1. 挥汗成雨的解释
1. Sweat drips like rain：画龙点睛 Bring a picture of a dragon to life by putting in the pupils of its eyes | 挥汗成雨 Sweat drips like rain | 讳疾忌医 Hide one's sickness for fear of treatment
1. 炎炎夏日，爱出汗的他挥汗成雨。
On the scorching summer day, he who is apt to sweat will perspire heavily.