tiǎo​dēng​yè​zhàn

to burn the midnight oil

挑灯夜战 挑燈夜戰 tiǎo​dēng​yè​zhàn
to burn the midnight oil
to work or study late into the night; to continue a task by lamplight; originally to fight a battle at night by torchlight
to party until dawn
to stay up all night socializing or partying

Frequency

Written text
0.304 per million

Sources

Frequency data
BCC Corpus (BLCU)