diū wū shā mào
lit. to lose one's black hat
to be sacked from an official post
丢
diū
to lose
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
纱
shā
cotton yarn
帽
mào
hat
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