HSK10+
wū
sound of crying
Phonosemantic compound. 口 represents the meaning and 烏 represents the sound.
口 Meaning component
kǒu
mouth
烏 Sound component
crow
Seal script
Clerical script
Regular script
呜 (嗚)
sound of crying, sobbing; (onom.) for humming or whimpering
呜
(onom.) for humming or whimpering
呜呜
(interj) boo hoo
呜呼
alas
呜咽
to sob
一命呜呼
to die (idiom)
Academia Sinica
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing