wū yā zuǐ
lit. crow's beak
fig. person who has made an inauspicious remark
dà zuǐ wū yā
(bird species of China) large-billed crow (Corvus macrorhynchos)
xiǎo zuǐ wū yā
(bird species of China) carrion crow (Corvus corone)
tū bí wū yā
(bird species of China) rook (Corvus frugilegus)