tē-tǒ͘地道

tunnel

tunnel (underground or underwater passage); causeway; authentic; genuine; typical; fluent; idiomatic

English Wiktionary, “地道” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%9C%B0%E9%81%93 · confidence: Medium (Wiktionary, Hokkien)