kap-á-tiâu鴿仔牢

pigeon nest

pigeon nest; narrow and small room

figurative

English Wiktionary, “鴿仔牢” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%B4%BF%E4%BB%94%E7%89%A2 · confidence: Medium (Wiktionary)