EXAMPLES FROM THE WEB FOR NAIL DOWN
Oh, it caught on a nail down at the boathouse, and a piece was ripped off.
Nothing you could nail down, at first, but growing month by month.
The error—if error there was—was subtle and hard to nail down.
"Nail down every dollar," said Jack, and we all were busy with our nailing.
Surprised at this, he laid the nail down on the ink-slab while he went out to ask whence the letter had come.
But Jane had the last board and found it much easier to nail down than the first girl did.
The laths are easy to nail down and then the paper goes over that, you know.
I recovered just as the people were about to nail down the hatches; perceiving which, I desired them to stop.
But, if you go bothering, I'll put it in your bed, and it'll do after to nail down your coffin.
However, before you nail down the lid and put on the roof, you will need to understand the mechanism.