jī zǎ liǔ yīng
(bird species of China) common chiffchaff (Phylloscopus collybita)
叽
jī
grumble
咋
zǎ
dialectal equivalent of 怎麼|怎么[zen3 me5]
柳
liǔ
old variant of 柳[liu3]
莺
yīng
oriole or various birds of the Sylvidae family including warblers