wū yān zhàng qì
billowing smoke (idiom)
foul atmosphere; (fig.) murky atmosphere; in a turmoil
乌
wū
abbr. for country names that begin with 烏|乌[wu1]: Ukraine 烏克蘭|乌克兰[Wu1 ke4 lan2], Uzbekistan 烏茲別克斯坦|乌兹别克斯坦[Wu1 zi1 bie2 ke4 si1 tan3] etc
烟
yān
tobacco (variant of 煙|烟[yan1])
瘴
zhàng
malaria
气
qì
gas; air