HSK10+
niè
move lips as when speaking
口 Meaning component
kǒu
mouth
聂 Sound component
whisper
嗫 (囁)
move lips as when speaking; hesitation; move the mouth as in speaking
嗫
move the mouth as in speaking
嗫嚅
to stammer
Make Me a Hanzi
Unicode
CC-CEDICT
MTSU Chinese text computing