[Idiom] BURNING THE MIDNIGHT OIL. - Expressions for Working Late Into the Night

Work late.

'Burning the midnight oil' metaphorically means working late into the night. This expression dates back to a time when oil lamps were used for illumination. The idiom paints a vivid picture of someone working diligently into the late hours, often to meet deadlines or to finish a significant amount of work.

Example Sentences

1. She was burning the midnight oil to finish the project.

   She was working late into the night to complete the project.

2. They burned the midnight oil studying for exams.

   They stayed up late to study for their exams.

3. Late-night workers are always burning the midnight oil.

   Workers who stay up late are always working hard during nighttime.