chek-peh-sió-tī叔伯小弟

paternal cousin

paternal cousin (father's brother's son younger than oneself)

English Wiktionary, “叔伯小弟” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8F%94%E4%BC%AF%E5%B0%8F%E5%BC%9F · confidence: Medium (Wiktionary)