koe-kak-á-siaⁿ雞角仔聲

changing voice of a boy during puberty

English Wiktionary, “雞角仔聲” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%9B%9E%E8%A7%92%E4%BB%94%E8%81%B2 · confidence: Medium (Wiktionary)