To burn the midnight oil means -

• To burn the midnight oil (Idiom)English Meaning: Read or work late into the night.Bangla Meaning: অধিক রাত পর্যন্ত জেগে কাজ করা।• Example Sentence:- Do you write best in the morning or do you burn the midnight oil?- A short while back, he was ever poring over the written page and burning the midnight oil.