焚膏继晷 Traditional 焚膏繼晷 fén gāo jì guǐ 🔊 to burn the midnight oil (idiom) + Keep this word Meanings fén gāo jì guǐ 焚膏繼晷 to burn the midnight oil (idiom); to work continuously night and day Its characters 焚fénto burn膏gāoointment继jìto continueHSK 7–9晷guǐsundial