Noviro
啁啾
Simplified 啁啾
Traditional 啁啾
Pinyin zhōu jiū
Definition (bird) twitter; chirp
早晨有啁啾声
Zǎochén yǒu zhōujiū shēng
There are chirping sounds in the morning
You might also see
啾
jiū
(onom.) wailing of child; chirp; kiss (Tw)
唧啾
jī jiū
(onom.) babble; twittering of birds
哈啾
hā jiū
(onom.) a-choo (sound of a sneeze) (Tw)
啁
zhōu
twittering of birds
啁哳
zhāo zhā
(literary) (onom.) combined twittering and chirping of many birds