thau-siⁿ--ê偷生的

illegitimate child

illegitimate child; child born out of wedlock

English Wiktionary, “偷生的” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%81%B7%E7%94%9F%E7%9A%84 · confidence: Medium (Wiktionary)