維基辭典YuePhrase
Original phonetic: /saːm⁵⁵ kaːŋ⁵⁵ tɐŋ⁵⁵ fɔː³⁵ ŋ̍¹³ kaːŋ⁵⁵ kɐi̯⁵⁵/
01
to burn the midnight oil, only to get up at the crack of dawn
02
to work long hours
03
to burn one's candle at both ends
Examples
就是這樣的一道檻，讓眾多的學子“三更燈火五更雞”，讓眾多的學校加課補課取消節假日。
It's just this kind of threshold that causes many students to study late into the night, only to get up and go to class the next morning. It also causes many schools to add extra classes, including make-up classes, and to cancel holidays and days off.