tiong-thò-á中套仔

mediocre

mediocre; ordinary; average (in degree, size, quality, etc.)

English Wiktionary, “中套仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%B8%AD%E5%A5%97%E4%BB%94 · confidence: Medium (Wiktionary)