tǹg-sim-koaⁿ頓心肝

to beat one's chest due to being upset

to beat one's chest due to being upset or regretful

English Wiktionary, “頓心肝” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%A0%93%E5%BF%83%E8%82%9D · confidence: Medium (Wiktionary)