噤 噤 jin4
unable to speak; silent

strokes 16
radical
口
口
strokes after radical 13
寒噤 寒噤 han2 jin4
a shiver

噤若寒蝉 噤若寒蟬 jin4 ruo4 han2 chan2
to keep quiet out of fear (idiom)

噤声令 噤聲令 jin4 sheng1 ling4
gag order