繼晷焚膏 [继－－－]

Jyutping gai3 gwai2 fan4 gou1
Pinyin jì guǐ fén gāo

Definitions (Wiktionary)
  1. phrase, idiomatic
    Synonym of 焚膏繼晷／焚膏继晷 (féngāojìguǐ, “to burn the midnight oil”).
    (syn.) 焚膏繼晷, 焚膏继晷