It was the result of burning the midnight oil for many years.

There was nothing to do but start again and burn the midnight oil.

Then you know it's a big deal, and we're going to be burning a lot of midnight oil over it, especially my people.

That night, much midnight oil was burned at the main camp.

One thing is clear: Investors do not yet need to start burning the midnight oil.

He'd had to work hard at it, too, burning the midnight oil most nights.

Instead of burning the midnight oil, make sleep a priority.

In the early days these required much burning of midnight oil by a composer.

At these prices, though, I guess he can't afford to burn the midnight oil.

"I suspect I'm going to be burning the midnight oil on this one."