îⁿ-kho͘-á圓箍仔

circle

circle; ring; a score of zero; goose egg

figurative

English Wiktionary, “圓箍仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%9C%93%E7%AE%8D%E4%BB%94 · confidence: Medium (Wiktionary)