tá嗒

rattle

rattle; clatter; to eat (used to speak with infants); to speak; to swallow (to cause food, drink, etc. to pass from the mouth into the stomach)

onomatopoeiachildish

English Wiktionary, “嗒” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%97%92 · confidence: Medium (Wiktionary)