immovable

剑桥词典

fixed and impossible to move
不可移动的，固定的
The rock weighed over a ton and was completely immovable. 这块岩石重1吨以上，根本无法移动。

used to describe a firm opinion that is impossible to change , or someone with such an opinion
坚定不移的；不可动摇的 返回 immovable