挥洒，泼。形容天热出汗多。
《战国策·齐策一》连衽成帷，举袂成幕，挥汗成雨。”
其人伏地惕息，～，自是怏怏如胅。★清·纪昀《阅微草堂笔记·滦阳消夏录五》
Learn the next connected idiom: 挥汗如雨 (huī hàn rú yǔ) → 雨后春笋 (yǔ hòu chūn sǔn)
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