Select the most appropriate meaning of the given idiom.
Burn the midnight oil
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. To work late into the night.
Idiom: Burn the midnight oil
Meaning: To stay up late at night working or studying.
Example: She had to burn the midnight oil to finish her project on time.
Hence, the chosen option is correct.