开夜车

to burn the midnight oil / to work late into the night

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

surname Che

car / vehicle / CL:輛|辆[liang4] / machine / to shape with a lathe / Kangxi radical 159

war chariot (archaic) / rook (in Chinese chess) / rook (in chess)

variant of 夜[ye4]

night