凝固 nínggù HSK7 solidify Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: freeze All meanings 3 nínggù 3 solidify 2freeze 1 1 sentence for 凝固 (nínggù — freeze) 听到这个消息,他脸上的笑容凝固了。 tīngdào zhègè xiāoxi, tā liǎn shàng de xiàoróng nínggù le. Hearing the news, the smile on his face froze. Source: Dong Chinese Dictionary