yún xiāo wù sàn
the clouds melt and the mists disperse (idiom)
to clear up; to vanish into thin air
云
yún
abbr. for Yunnan Province 雲南省|云南省[Yun2 nan2 Sheng3]
消
xiāo
to diminish; to subside
雾
wù
fog
散
sàn
to scatter