粵典 (words.hk)香港詞
出一半努力,就有雙倍功效;指出嘅力少而收效大 (to double the result with half the effort)
語句用例
揾一個有才幹嘅人做嘢,一定事半功倍。
wan2 jat1 go3 jau5 coi4 gon3 ge3 jan4 zou6 je5, jat1 ding6 si6 bun3 gung1 pui5.
Finding a talented person to work with definitely doubles the result with half the effort.