tà
used in 嗒然[ta4 ran2] and 嗒喪|嗒丧[ta4 sang4]
吧嗒
bā da
(onom.) patter, splatter, click
咔嗒
kā dā
(onom.) click
嗒丧
tà sàng
(literary) disheartened; disappointed
嗒然
tà rán
(literary) despondent; depressed
嘀嗒
dī dā
(onom.) tick tock
噶嗒
gá dā
(onom.) clattering