Word
rock-solid
/ˈrɒksˈɒlɪd/
adjective
坚如磐石
extremely firm or stable; not likely to move or break
非常可靠；坚挺如岩石的; 稳若盘石的; 毫不动摇的; 绝对可靠的
In use
The foundation of the house is rock-solid, so the building feels safe.
We bought a rock-solid ladder to use for painting the walls.
The workers made the fence rock-solid by using metal posts.
Learner notes
Grammar Note
通常用作表语或定语，表示非常坚固可靠。
Dictionary facts from AI_FALLBACK, ECDICT.