lài
a sound
a noise; musical pipe with 3 reeds
天籁
tiān lài
sounds of nature
万籁俱寂
wàn lài jù jì
(idiom) dead silent
万籁无声
wàn lài wú shēng
see 萬籟俱寂|万籁俱寂[wan4 lai4 ju4 ji4]