囀

to sing (of birds or insects) / to warble / to chirp / to twitter

kǒu = k + ou3

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

Mnemonic symbol: 口 shall be represented by a mandarin. Karl Marx (k-) is enjoying a mandarin in the outhouse's living room (ou3).

zhuǎi = zhu + ai3

see 轉文|转文[zhuai3 wen2]

zhuǎn = zhu + an3

to turn / to change direction / to transfer / to forward (mail) / (Internet) to share (sb else's content)

转 = 专 + 车 : In anthill, Julian Giant Squid drives a car to transfer a drink from the bar to the scientist's table.

zhuàn = zhu + an4

to revolve / to turn / to circle about / to walk about / classifier for revolutions (per minute etc): revs, rpm / classifier for repeated actions

囀 is not used as a component in another character.

to call sweetly (of birds)

囀 currently does not appear in any sentence.