A small amount of effort yields great results; working efficiently.
指做事得法，因而费力小，收效大。
《孟子·公孙丑上》故事半古之人，功必倍之，惟此时为然。”
By organizing her files first, she found that her work was事半功倍.
Learn the next connected idiom: 事半功倍 (shì bàn gōng bèi) → 背道而驰 (bèi dào ér chí)
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