yún shān wù zhào
lit. enveloped in clouds and mist (idiom)
fig. (of speech or writing) unclear; confusing
云
yún
abbr. for Yunnan Province 雲南省|云南省[Yun2 nan2 Sheng3]
山
shān
mountain; hill (CL:座[zuo4])
雾
wù
fog
罩
zhào
to cover; to spread over