immovable

劍橋詞典

fixed and impossible to move
不可移動的，固定的
The rock weighed over a ton and was completely immovable. 這塊巖石重1噸以上，根本無法移動。

used to describe a firm opinion that is impossible to change , or someone with such an opinion
堅定不移的；不可動搖的 返回 immovable