三更灯火五更鸡 sāngēngdēnghuǒwǔgēngjī diligent in study Definitions Defs Origin Strokes Stroke Words Sentences Sents 三更灯火五更鸡 三更燈火五更雞 sāngēngdēnghuǒwǔgēngjī diligent in study Burning the midnight oil and waking with the rooster; describes someone who studies or works with extreme diligence and hardship. Cross-References Same as 三更火，五更鸡 sāngēnghuǒwǔgēngjī
三更灯火五更鸡 三更燈火五更雞 sāngēngdēnghuǒwǔgēngjī diligent in study Burning the midnight oil and waking with the rooster; describes someone who studies or works with extreme diligence and hardship. Cross-References Same as 三更火，五更鸡 sāngēnghuǒwǔgēngjī
