nail up
phrasal verbnail something up
to fasten something to a wall, post, etc. with a nail or nails 用钉子将…固定到（墙上、柱子上等） We spent the morning nailing up signposts. 我们花了一上午钉路标。
to put nails into a door or window so that it cannot be opened 用钉子封住，封死（门或窗） The door had been nailed up from the outside. 门是从外面钉上去的。