sió-chek-á小叔仔

brother-in-law

brother-in-law (husband's younger brother)

English Wiktionary, “小叔仔” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%B0%8F%E5%8F%94%E4%BB%94 · confidence: Medium (Wiktionary)