观念固化了。
The idea has become fixed.
to solidify; to harden; (fig.) to make permanent; to become fixed
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
观念固化了。
The idea has become fixed.
胶水固化很快。
The glue dries quickly.