hollow out
phrasal verbhollow something out
- to make a hole in something by removing part of it
挖空（某物）；挖出（孔、洞） - Hollow out the cake and fill it with cream.
在蛋糕上挖个洞，填入奶油。 - a gun concealed in a hollowed-out book
一把藏在镂空书里的枪
- Hollow out the cake and fill it with cream.
- to form something by making a hole in something else
挖洞（成某物） - The cave has been hollowed out of the mountainside.
窑洞是在半山腰挖成的。
- The cave has been hollowed out of the mountainside.