Question

in_the_loop_089 to stay up late at night studying or working The expression suggests burning the oil in an oil lamp for light in order to work in the dark.

Accepted Answer

BURN THE MIDNIGHT OIL If they expect to pass the test tomorrow, they’ll have to open their books and begin burning the midnight oil.The boss expects to see the new plans tomorrow. The only way I’m going to be able to finish them in time is to burn the midnight oil tonight. Time

Id	in_the_loop_089
Idiom	BURN THE MIDNIGHT OIL
Definition	to stay up late at night studying or working
Examples	If they expect to pass the test tomorrow, they’ll have to open their books and begin burning the midnight oil. The boss expects to see the new plans tomorrow. The only way I’m going to be able to finish them in time is to burn the midnight oil tonight.
Extra Info	The expression suggests burning the oil in an oil lamp for light in order to work in the dark.
Category	Time

Oil Midnight Burn Burning Time Loop Stay Late