wall up
phrasal verbwall somebody up
- [usually passive] to keep somebody as a prisoner behind walls
把…关在大墙后；监禁
wall something up
- [usually passive] to fill an opening with a wall, stones, etc. so that you can no longer use it
（用墙、砖等把通路）堵住，封死 - I could see where the doorway had been walled up.
我可以看到门口被围墙堵住的地方。
- I could see where the doorway had been walled up.