Burn the midnight oil: English word of the day

English · Saturday, 31 October 2026
Burn the midnight oil
To work late into the night or early morning hours.
“I had to burn the midnight oil to get the project done on time.”
From the free BrainPod Idioms II (10 cards with pictures and audio).
Make it stick. Braintain brings Burn the midnight oil back right before you would forget it, along with the rest of Idioms II.
Get the free app