wú shēng
noiseless
noiselessly
silent
wú shēng wú xī
wordless and uncommunicative (idiom); without speaking
taciturn
not providing any news
yā què wú shēng
lit. crow and peacock make no sound
absolute silence (idiom); not a single voice can be heard
absolute silence
wàn lài wú shēng
not a sound to be heard (idiom)
dead silent