burn the midnight oil

1.
USUKAustraliaCanadaGlobalinformalneutral
- To work late into the night, especially after normal hours, often to complete tasks or meet deadlines.
- To study or read late at night.
2.
USUKGlobalinformal
- To make an intensive, concentrated effort over an extended late-night period in order to verify, investigate, or finish something.

Examples:

No examples available.