nail something up

Từ điển Oxford Advanced Learner 8th

ˌnail sthˈup derived
1. to fasten sth to a wall, post, etc. with a nail or nails
•We spent the morning nailing up signposts.
2. to put nails into a door or window so that it cannot be opened
•The door had been nailed up from the outside.
Main entry: ↑nail_derived