挑燈夜戰 [－灯－战]

Jyutping tiu1 dang1 je6 zin3
Pinyin tiǎo dēng yè zhàn

Definitions (CC-CEDICT)
  1. to raise a lantern and fight at night (idiom); fig. to work into the night
  2. to burn the midnight oil
Definitions (Wiktionary)
  1. phrase, idiomatic
    to work late into the night; to burn the midnight oil
    (syn.) 开夜车, 開夜車
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）