v.骨化；硬化；僵化

It is easy for the mind to ossify. 腦筋是易于僵化的。

All fixed,fast-frozen relations,with their train of ancient and venerable prejudices and opinions,are swept away,all new-formed ones become antiquated before they can ossify. 一切固定的僵化的關系以及與之相適應的素被尊崇的觀念和見解都被消除了，一切新形成的關系等不到固定下來就陳舊了。