kiong-huà僵化

to solidify

to solidify; to become rigid or stiff; to become fixed, unchangeable or inflexible

English Wiktionary, “僵化” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%83%B5%E5%8C%96 · confidence: Medium (Wiktionary, Hokkien)