Definify.com

Definition 2024

to burn the midnight oil ‎(third-person singular simple present burns the midnight oil, present participle burning the midnight oil, simple past and past participle burned the midnight oil or burnt the midnight oil)

(idiomatic) To work studiously, especially late into the night.
He was burning the midnight oil to finish his paper.

work through the night

Arabic: أشعل فانوس الليل
Chinese:
Mandarin: 開夜車 (zh), 开夜车 (zh) ‎(kāi yèchē) ("to drive the night car"), 焚膏繼晷 (zh), 焚膏继晷 (zh) ‎(féngāojìguǐ)
Czech: pracovat dlouho do noci, ponocovat (cs), pracovat dnem i nocí
Dutch: tot laat in de nacht werken, het nachtje doordoen
Finnish: valvoa yötä myöten
French: travailler tard le soir
German: bis spät in die Nacht arbeiten, die Nacht zum Tage machen

Hungarian: késő éjszakáig tanul, éjjel-nappal tanul
Italian: fare le ore piccole, passare la notte in bianco
Japanese: 徹夜する ‎(tetsuya suru)
Polish: pracować po nocach (work at night(s)), zarywać nocki
Portuguese: passar a noite em claro, virar a noite, fazer uma direta
Russian: полуно́чничать (ru) impf ‎(polunóčničatʹ), засиж́иваться (ru) impf ‎(zasiž́ivatʹsja) (e.g. "до по́здней но́чи")
Slovak: pracovať dlho do noci, pracovať vo dne v noci
Spanish: hacer días y noches
Swedish: dygna (sv), låta flitens lampa lysa